Critics are entitled to have an opinion, but how can they judge how comfortable a building is? No critic is smart enough to judge how a building will perform over time.
There's always going to be someone out there... who doesn't believe in you or who thinks your head is too big or you're not smart enough. But those are the people you need to ignore, and those are the times you need to just keep doing what you love doing.
If you have not been a villain at a certain point in time, you will never be a hero. And the day you are a hero, you may become a villain the next day.