When you're 14 anything with a sword and a dragon is pretty cool. But when you're 21 and you've read 2 000 fantasy novels you start to realize that some of those books well they weren't really good. OK let's be honest. A lot of them were crap.
There are two way of establishing a reputation one to be praised by honest people and the other to be accused by rogues. It is best however to secure the first one because it will always be accompanied by the latter.