Some of those, like horses, are 1% hobbies. But many of the others can be done very affordably. Buying used equipment, learning from YouTube and online resources, starting small and scaling gradually make most of those hobbies accessible at a fraction of the cost.
You could say the same about computing as a hobby. Maybe that’s your point, hard for me to tell. I always compare it as a hobby to golf or hockey- both of which are common where I come from and pretty pricey hobbies.