I was just like you when I started out and heard about the spider and the wobble/issues they have. I was HIGHLY against adding a spider to my collection, along with other genes that I knew had issues, and went out of my way to avoid these morphs when looking to add to my collection.
It wasn’t until I came across a virgin spinnerblast that I kinda weighed my options about spider. The ad for her specifically mentioned she had no wobble. I went ahead and purchased her along with a breeding size Champagne male. When they arrived the spider (Sugar) was fantastic, and has been fantastic ever since. She has no issues that I can tell, and is extremely sweet. I was kinda upset at myself for hating on a morph that I actually had never dealt with before, and after having Sugar, I would have no issue purchasing another spider. Most of the horror stories you hear about are from extremes.
I mentioned the Champagne male on purpose because he did have an extreme wobble and corkscrewed like no ones business. His ad never mentioned anything about having a wobble/corkscrewing. If you are concerned about an animal, or would like to know if they have any issues, just ask the breeder/person you want to purchase a snake from. Most of the time people are upfront, and it never hurts to ask.