Three new cards from two operators. Zukowski ran the data on Steam Next Fest June 2026 and came back with two findings that contradict common developer assumptions. Mosseri, on Lenny's podcast, made the case that AI content floods are actually good news for creators who can stay real.
Theme 1, Steam Next Fest rewards behavioral momentum more than accumulated reach
Zukowski published two posts in two days, each extracting a different claim from the same June 2026 festival. The first, Steam's algorithm suppresses AI-generated games after the first two days of Next Fest, so AI slop harms niche early traffic but not mainstream player discovery, addresses the AI slop panic directly. Record participation in June 2026 (4,000 or more games) alarmed developers who feared the festival would be buried in AI-generated noise. Zukowski's 119-developer survey found the opposite: median wishlists for well-positioned games actually rose from 1,200 in February 2025 to 1,500 in June 2026, and Day 4 generated peak impressions with no sign of player exit.
The mechanism is Valve's behavioral curation. Days one and two attract journalists, YouTube complaint-video creators, and hardcore Steam researchers who surface the slop publicly. By day three, Steam's ML has read play-session lengths and wishlist-to-play ratios and deprioritized low-quality entries. Mainstream players arrive to a filtered list.
"I really think Valve is using player behavior to determine what to hide after the first 2 days."
The second post, Two-week pre-festival wishlist momentum predicts Steam Next Fest results better than total accumulated wishlists, with a Spearman correlation of 0.81 versus 0.76, turns from curation mechanics to developer strategy. Zukowski ran Spearman rank correlation on his festival dataset: two-week pre-festival wishlist velocity (rho 0.81, explaining 64% of variance) outpredicted total cumulative wishlists (rho 0.76, explaining 58%). The gap is not enormous, but it is consistent. Games with high base wishlists and high momentum won 82% of the time.
"The safest bet is to gather a bunch of wishlists AND do a big marketing push in the 2 weeks prior."
- Chris Zukowski, Steam's algorithm suppresses AI-generated games after the first two days of Next Fest, so AI slop harms niche early traffic but not mainstream player discovery. Steam's behavioral filter suppresses AI-generated games after day two; the audience that matters arrives after the curation window closes.
- Chris Zukowski, Two-week pre-festival wishlist momentum predicts Steam Next Fest results better than total accumulated wishlists, with a Spearman correlation of 0.81 versus 0.76. Two-week pre-festival wishlist velocity predicts Next Fest results with a Spearman rho of 0.81, ahead of lifetime base wishlists at 0.76.
Theme 2, AI content abundance makes authentic human creativity scarcer, and therefore more valuable
Adam Mosseri made the counterintuitive case on Lenny Rachitsky's podcast on July 9. As synthetic content fills social feeds, users recalibrate their attention toward signals of genuine authorship. The relative scarcity of real human perspective drives up its value. The flood of AI-generated content on social platforms increases demand for authentic human creativity rather than reducing it captures the mechanism: Instagram's plan is not to block AI-generated content but to label it, betting that the ability to distinguish human from AI is itself a retention and trust mechanic.
"In a world where there's an abundance of synthetic content, I actually think people are going to seek out creativity and authenticity and people more, not less. And I think that that will help us."
This is the platform operator's version of a claim familiar from creator economics: scarcity of the substitute raises the value of the original. Mosseri's position is self-serving, which is worth noting when evaluating it. But the logic holds independently of who is saying it.
- Adam Mosseri, The flood of AI-generated content on social platforms increases demand for authentic human creativity rather than reducing it. AI-generated content abundance increases relative demand for authentic human creativity on social platforms, following the same scarcity logic that governs any market where cheap substitutes flood supply.