You missing the part where some people still have to use Chrome for certain things?

That might just be a question of the User Agent being sent with requests, i.e. a lot of apps / websites were coded up with the assumption that Firefox / Gecko does not support certain features (which is mostly nonsense). Switching the user agent to Chrom(e|ium) resolves the issue most of the time.

Dual booting windows is a waste of disk space

There, fixed that for you.