You can use Brave as your Chromium-based browser. It blocks ads natively, and I've not yet run into a site that required Chrome that didn't work on Brave.
What matters to me is the part I can't influence that easily, and I simply prefer Firefox because it's not based on Chrome. Not something many browser developers can say nowadays.
I say this as someone who uses 99% Firefox, 1% Chrome... I had never thought about this point I'm making before.
I'm always confused when people imply this isn't the case or start demanding evidence. I'm bemused when they are surprised.
I've never been a Chrome user, and I honestly don't remember ever hitting a website in the last 10 years or so that didn't work for me.
In Netscape/ie times WWW was other than nowadays, so your analogy is not correct