Yes, someone will complain. You have people complaining about Fighting Games where something being 2 frames faster or slower will be a hot topic for debate.
You seem to be conflating the impossible goal of true balance with the general idea of striving for things to be more balanced. Again, as long as they actually have balance as a design goal, it doesn't matter whose desire for balance they cater to, as long as they're actually catering to someone, anyone, who cares about things being more balanced.
If you're trying to fill up a cup halfway, and getting a million people's opinions on it, you're going to get tons of different lines on where the line should be drawn. But just because it's impossible to have everyone be correct, that does not mean the answer is filling the cup to the brim because filling the cup perfectly halfway is impossible.