This doesn't in the slightest replace ads though. Before modern internet advertising we had advertising in whatever else had your attention. Ads were meant as we way to simplify and ease distribution.
It's a horrible business in terms of user experience but it's purpose isn't user experience it's meant for businesses to be able to streamline their outreach for much cheaper than the alternatives, imagine cold calls, emails, door knocks, door to door sales has died for this very reason.
I am not trying to explain away the issues and societal problems but they have value of companies otherwise they wouldn't exist. However much people would like to pretend CEOs and founders aren't completely retared.
For initial distribution spikes Ads are the best possible solution, very expensive yes, but if your goal is growth Ads are the most efficient solution since they almost linearly convert spending into visibility in turn producing growth.
Horrible way to do stuff but it's what it is.
Despite lichess being better in every way except marketing, it's still #2.
It's very impressive word of mouth got it to #2, but marketing experts are marketing experts.
It's like why they use sharp points in the hazmat symbol, it just looks bad even if you don't know what it means.
The only companies that have made any real money have had to use Ads from the very start.
You can catch lightining in a bottle but exceptions here prove the rule.
It's absurd to think anyone will care about your product if you don't.