If said topics have spoilers in them they're not going to give a flying fruit if it had the TOM tag, they've already been spoiled. I know you've edited them already, but it took about 15 hours.

People have done this dozens of times, and when someone says "change the title," they do so and apologize. They don't get so defensive and act like it was a personal affront to them, and then start arguing with everyone about how they are right.