The problem is that Mozilla is a good company, that has had a true net positive effect on the world, especially in tech, and continues to do so today with wonderful projects like Rust etc.
If Mozilla were a shitty company, we could all simply dismiss Firefox and get on with our day. But Mozilla is not a shitty company and the fact they keep shooting themselves in the foot like GP said, the fact they are completely out of touch with their userbase, that they cannot see the OBVIOUS problems with this addon even after the Pocket debacle, is ridiculous.