I don't believe anyone has made that claim. What was said (by @Arial Black) is
You could argue that calling it abuse of power is more accurate than cheating, but in no way is it claiming that the problem is letting the player interpret the letter of the rules.
There has been a strong undercurrent of "if the DM does not allow X they are a bad DM."
I've made my opinion clear - the DM always has final say. The DM is always right. They do not need to justify their decisions. In some cases that will mean that they are not the DM for me just like I may not be the DM for you or for other people. It's hardly the end of the world.
I'm not going to go back through hundreds of posts to provide specific quotes. Have a good one!