> the defaults were good enough that no one changed them, and consequently every SaaS startup's product looked the same for about 5 years Sounds like native GU

> the defaults were good enough that no one changed them, and consequently every SaaS startup's product looked the same for about 5 years Sounds like native GUI experience on Mac or Windows for quite some time, then? I'm certainly not offended when all buttons look the same. At least I immediately know that they're buttons.