> I personally would not use this term, just as I would not use e.g. "to beg the question". I wonder if this phenomenon has a name, along the lines of "euphemistic treadmill".

I intentionally use "beg the question" with the new meaning to do my part in cycling out the old meaning as quickly as possible. The "old" meaning is a waste of precious linguistic bandwidth, spent on a concept that is very rarely invoked (and could be just as easily invoked with something like "presupposes the facts", which is more intuitive).

If language is dynamic, then braindead vestigials should be bulldozed out with prejudice, especially when they tie up prime real estate.