He isn't complaining about the fast release cycle at all, he just want its browser to do it without interrupting his workflow and disabling all of his plugins. You know, kind of like chrome.
So if this is just an issue of certain add-ons being disabled because they're incompatible with X version of Firefox (something that's always been the case), then we're merely in a transitional phase where the good developers with popular add-ons will have to adjust their development cycle to fit with this new trend.