Con: There’s multiple alternate versions of you!
Star Trek 2009 Promotional Image
Whether it’s the version created when the USS Kelvin was destroyed, the one with the beard one thing is for sure, they’re out there, and one day they may even come for you and that’s only if you don’t accidentally get caught up in there dimension by mistake!
Wait, are you also responsible for their work? They are you after all…. Man, that’s a lot of pressure!