Firefox on mobile still hasn't implemented something as basic as enlarged touch targets for buttons in webpages. Pressing the [-] button that is next to each comment of this site using Firefox is a nightmare compared to any other webkit browser.
I wouldn’t say that it’s a problem with the browser, rather the implementation of the site’s design. The browser could of course be helpful and increase the click target size to some minimum value, but it would just make the development complicated due to yet another quirk in how browsers implement the UI, especially in cases where you need a lot of small click targets.
Hmm, are you sure? Because I remember implementing that. Maybe it got disabled for some reason.
https://bugzilla.mozilla.org/show_bug.cgi?id=1247095 for why it's currently disabled, and you can toggle "ui.mouse.radius.enabled" in about:config and see whether the issues that led to this being turned off are actually relevant for your personal usage or not.