I think it's good for me. For the most part, I play pinball to relieve stress. I am always wanting to do something, not sit still... Pinball keeps me doing stuff, tinkering, and making my games play good. Also, it's cheaper than collecting motorcycles, boats, cars.
I repaired a game last Saturday. Something I do not do for others very often. The lady wanted to fix up the Force II machine that her husband had owned for 20 years as a surprise. Said he would never part with it.
I arrived expecting the worst but the game was in really good repair. Zero damage to any connectors or boards. It just need the rubbers replaced, game put on free play, new balls, and a GI fuse. That was great because it was a secret and I was happy to help out. I did not charge much for the two hours I was there and she gave me extra $ because she said she was a pest, taking pictures of what I was working on as I went along. I actually thought it was cool that she wanted to understand and document what the problems were on the game.
So, yeah... a LOT of healthy positives out there. As with anything, you kind of get out of it what you put into it.
Some people, I do wonder about. Some of them I only know on Pinside...