It actually has a really long learning curve, if you didn't skate as a kid it will take you a long time to even be comfortable rolling around, let alone doing anything more. Kids have an infinite amount of time to practice and can take their boards with them basically everywhere, adults don't have the same luxury.
And the other part is, you will get injured. You might get lucky and be fine, or you might get unlucky and fuck your knee or ankle or wrist or collarbone for months or life.
It's a young person's hobby. If you're really keen then go for it, but if its an idle curiosity I think there are other things that you'd find more satisfying.
Not sure if it got nerfed, I haven't played in a while. The throwing hammer didn't have great range but usually enough to throw it from outside of an enemy's aggro range. And the best thing about it was that with a fully charged throw it would knock down a lot of enemies, it was amazing to initiate combat with a knockdown from range and then run in and smash them.