This is true and something to consider. There’s also no app for Crunchyroll which is personally a huge downside.
It’s still the best user experience and I seriously dread having to use other people’s TVs now. Even major players like Samsung are seriously lacking in comparison.
I’ve been using Firefox on desktop and mobile exclusively for a number of years now. I will say the experience isn’t perfect but it’s better than using a browser made by a company that is actively hostile to its users.
It is important to take note that you will experience issues with some websites. For example, https://astro.build/ Try scrolling quickly up and down on this page on Firefox vs Chrome (on mobile).