"If there is one thing I would like to happen, then that would be that nobody would replace Weston with anything else. We don't need 20 window managers, just 1 good enough one. I desperately wish this point was more widely appreciated."
This is utter nonsense. This idea may fly on proprietary desktops where a certain behaviour/layout/theme is provided or mandated from above by "god", but this is a collaboratively developed free desktop where people are able to implement and their preferences more freely.