Agreed
Firefox is a top notch browser we all are provided with for free. And it's been great and free for longer than any other browser. Ever.
Browsers are notoriously difficult to build and maintain. I think we owe all the engineers and people behind it a lot of appreciation.
Have they made a few missteps over the years trying out the new hot thing ? Yes. And it temporarily upset a niche of technical people. And last time I checked none of these things were very hard to avoid or turn off.