Okay, so here are my thoughts. In particular, I did an edit like this, removing the tag quantum-mythology, so I'll explain my perspective.
- Tags like these aren't good tags. I already wrote an answer on this, so I won't elaborate.
- If a (relatively) high-rep user believes the tag unnecessary, they can delete quite easily. If it becomes controversial, it is taken to meta, like was done with quantum-mythology, and that issue is already on its way to being resolved. As long as the edit is not obviously harmful, and was done in good faith, there is no real problem. Edits can be rollbacked.
- Relatively high-rep users are relatively high-rep for a reason - they have more experience with the way the site works (hopefully, anyway). If they believe something should be done a certain way, there's a higher likelihood of them being right, which is why privileges are staggered the way they are. If there's a problem, again, things are taken to meta.
- As for the specific "removal of a tag" issue, as far as I can tell, there's been only two tags. That's not that many. People aren't trying to mass delete tags, but curate to help users in finding the right questions.
Also, singling Blue out, whatever its intended purpose, is easily perceived as unfriendly. Your post, as a whole, comes across as rather derogative towards Blue, and I'd suggest adding in more examples from other users. I'd also point out that Blue's reasoning on the subject is very well thought out (I'd like to pull it out of the mess of comments here):
Yes, I had rejected the tag usage guidance you wrote for quantum-mythology, for obvious reasons which I mentioned in the other meta post regarding that particular tag. I removed the python tag, because we don't want people to be asking pure python questions here.
I'd also like to point out
I can't humanly go about asking all(or even a majority) the members of this site to give their consent, before I edit out an useless tag or make some formatting changes in new posts, which I have the privilege to edit.
Again, there's a reason users have higher rep. They are accorded more responsibility.
I believe you asked this question in good faith, but you are coming across very poorly, especially in the comments above, as you don't seem to be fully reading other comments and posts in the discussion. Please don't take this negatively, but as something to be improved upon.
Hope this helps!