Even if you're right that everyone prefers interfaces "now" to stuff 20 years ago, that doesn't necessarily mean that it's because people are wrongly biased aga

Even if you're right that everyone prefers interfaces "now" to stuff 20 years ago, that doesn't necessarily mean that it's because people are wrongly biased against new redesigns. New designs have problems and bugs that are ironed out over a period of several years, wherein a new redesign doesn't occur. Most of the problems people have with redesigns are these problems, or sometimes outright mistakes that get reverted. That's why repeated redesigns, rather than getting it right followed by stability, is such a problem. You lose all the work you did in ironing out problems with a specific version of an interface. I'm not sure how true your pronouncement about "people in general" is, either. Sure, most people don't look at Firefox from 20 years ago and say "yeah, we should go back to that". I'm an outlier for thinking that. But in part that's because going back to that would itself be another redesign, and Mozilla (for example) is famous for fouling them up. No one trusts them to do a redesign, and no one wants to have to relearn an interface, even if they might be convinced it's superior in some way.