How do the designers who work at these tech companies not understand that repeatedly annoying non-user visitors doesn't make them want to sign up? Nor incentivize others to link to it?
I know how it happens, I've designed many a KPI. Something so fundamental and important as the default non-user first-exerpience (not just a 'signup flow') should be evaluated more holistically than just looking at numbers.
But I guess when you have layers of middle managers it's safer to point to a spreadsheet than make hard choices.
They'll tolerate you if you produce content to help keep the paying users engaged, but plenty of businesses choose not to pursue customers who are unlikely to generate profit.
It absolutely does, and that is precisely why they keep doing it. It doesn't work for the kinds of people that browse hackernews, but that's not their core audience anyway.
It's like saying ads don't work because you and me never click them because we use an adblock. Clearly they do work, and quite well...