For discussion purposes, here are the 22 tags removed over the course of the past two weeks, in the form of links to a Google-cached copy:
Caches will not exist for all cases. But for those that do exist, we can conduct an informed discussion as to whether this vigilante action is serving our needs or working against them.
Update: I've taken a quick pass on these and restored portions of: forums, chicken and sarcasm. Not naming any names, but... Some of the folks involved here were a lot better than others about replacing tags with other, roughly-equivalent tags.