That's all we'll and good but in my experience DMing, it takes a lot of work to prepare interesting outcomes for the actions my players might take during a pivotal moment. A player with a guaranteed success at something is usually something I try to avoid so they don't feel railroads or like doing things that way is the ONLY solution. With 4 players I want everyone to have an equal share of interesting moments but when one person starts being a powerbuilding min/maxer I tend to build events from time to time that won't let them just steal the whole show.
Unfortunately, because they are a min maxing powerbuilder they are keenly aware of any opportunity for which they should have been the most OPest of characters and will sniff out how they have been silently slighted. They lock on to the fact that they didn't get to shine a few times while glazing over the times where they were OP because in their mind, that's how it's supposed to be!
Before you know it they start pouting, complaining to others, backseat rules lawyering, and just generally acting like they are being mistreated rather than trusting the DM to be trying their best to fit their fucking chadly, mind-controlling demigod in to situations with 3 other people who haven't hyper focused for days on the most efficient use of their action economy.
I'm bitching sure but end effect was similar to this meme's bad DM. I just stopped putting effort into letting the flawless demigod look cool because while he was A main character he was not THE main character and if that upset him... Well maybe next time he'll finally learn why the actual best characters to play are the ones with lots of interesting flaws