Maybe they meant a longer version of this tweet:
https://twitter.com/searchliaison/status/1709726778170786297 (via https://news.ycombinator.com/item?id=37802302)
https://twitter.com/searchliaison/status/1709726778170786297 (via https://news.ycombinator.com/item?id=37802302)
Uh, other than being pushed off the visible page, I guess?
Again, your point is one I strongly agree with, but it's also taken out-of-context with respect to the article Google was responding to.
Maybe the score is simply highly-correlated with a site that shows many google ads? Think about it, someone that shows Google ads happens to also be very very keen on optimizing everything that affects their rankings in Google searches.
Hey Google, perhaps "displaying many Google ads" should be a negative on page-rank?
Or, I guess "below the fold"