It does - it two different ways! The scroll wheel ratchet can be disabled (which is how I use it) or MX Options can override Smooth Scrolling. Or both.
The service has been around for years, the real die-hards are actually on the IRC (which recently got a tie-in with a Discord server for those who want to chat on there without having the technical knowhow to use IRC).
I personally got it for the webpage, to use as an online business card, and have been loving all of the other stuff that surrounds it like the new Weblog feature
Cool, now go explain that to your parents. NOW make sure they go through and change every single password on every single account they currently have and don't just get annoyed like 5 passwords deep and decide not to bother.
The issue isn't you or me, it's what 99% of the world has to use. For the large majority of people, a password manager with one super strong password (and 2FA) makes WAY more sense.