Considering your post you are right. Outside of town someone has set up a mud pit and periodically they have mud bogs. Most of the people there don't look independently wealthy but there they are, with their rigs built for one thing and one thing only. Strangely they look like they are having a good time.I do. It doesn't change anything.
Bill Burke is an outlier - he turned hobby into profession, so whatever he does has little bearing on the hobby.
Yes and no.
You can live in the termite-infested trailer in the woods of Carolinas and pour quarter a mil into a monster F350 that does only one thing - drive over one particular mud puddle five times a year.