Edit: so I just looked and it turns out you can enable tab bar scrolling on chrome://flags/#scrollable-tabstrip. Why is that even disabled by default?
Firefox: https://yld.moe/raw/nVE.png
Chrome: https://yld.moe/raw/vu8.png
Also, if you're wondering why my tabs look like they're from 2017, that's just another benefit of using Firefox [1]. Although as nice as it being able to actually customize our browsers, it would be nice for Mozilla to stop breaking things for sake of breaking things.