With quality of life issues (the ability to be an autonomous adult, free to come and go, drive, work, etc.) it looks like this surgery is worth considering. Any surgery has risks, but it sounds like driving with you is about as risky as the surgery (not to be facetious, just to draw on your report of the dangers of your condition).

My son rolls up in a ball every so often and sleeps off migraines. They usually go away after a nap or if he vomits. At this point they're not bad enough to warrant surgery so invasive as that, but at the same time, it might warrant a checkup to find out if this condition exists.

Those are good articles in the links you posted above.

SRS