[michaelmrose]

The problem with this narrative is that it is entirely fictional. The web extensions addons that have replaced the old style are just as featureful and Mozilla has done a good job of providing the functionality to build powerful addons.

Example Pentadactyl -> Tridactyl, noscript, ublock origin, stylus.

I'm not clear where you are coming from with the "greedy" accusation nor where you get off calling them sell outs. Based on what?

Your refrains betray "reduced to 180 characters" level of understanding of the matter and I strongly suggest you gain a more complete understanding of technical and business matters before attacking people who are producing so much value for the open source community.