Exactly. Then there is the matter of most Texans not liking regulations/zoning laws et al at all. That is a part of why the Texas power grid has few ties to the rest of the US grid. Remember, most of Texas is very rural - wide open plains and such. That means you can do with your property pretty much what you like and no one will say squat about it.
this is not just a "texas" problem. it's a national problem. bitcoin mining facilities have popped up in many states and caused similar noise issues for local residents. it's more a problem about how bitcoin mining generates alot of noise pollution than anything having to do with people not wanting regulations/zoning laws. everyone wants peace and quiet where they live.
General noise regulation exist on national level[1] and Texas state[2]. I would say the bigger problem is government doesn't take serious action against company (whether it's cryptocurrency mining or something else) which violate such regulation.