I think the issue is that developers will go around glitches and bugs of Chrome because that's what they use, but won't do the same for Firefox. Or even will li

I think the issue is that developers will go around glitches and bugs of Chrome because that's what they use, but won't do the same for Firefox. Or even will literally code to Chrome's glitches and not really support the standard way, which would have worked in Firefox. There are also things like Google putting invisible div over YouTube, which breaks Firefox rendering optimisations but not Chrome's ones.