The problem isn't about showing off; in some cases, it's actually good. The real issue is the slow acceptance of the current state of affairs, which players keep repeating over and over. It's not even funny anymore; it's genuinely sad when decent players, who may have been among the best at one point, get stuck in their own little world and believe that time has no power over them, and that everything around them is still the same old, low-quality gaming.
Let's have a list of these players!

