Iirc, they explained it on techlore talks like “it"s X% of those who responded in $site, while many qactual users prefer or don’t oppose it”, or smth of that nature. Also, it appears far less than on google even with constant cookie clearing

Read: every china capable of challenging the american empire

Idk about making their own ui framework as if there weren’t 100500 of those already. As for tiny screens, slint comes to mind, for example