I play another game where stat boosts are built into titles. You can even 'glamour' over titles in a way, although to be honest, everyone just used the same 2-5 titles for stats. That game had stat customization that was similar to FFXIV, which is to say, pretty much none at all. The most desirable titles come from competitive content (speedrun rankings, etc.) and they all expire after a while.

For the most part, the only real gameplay difference the titles made was groups demanding other players to show certain titles as proof of their experience. Which brought a whole series of problems that I'm sure I don't have to explain.