The problem with "legal" streaming services is you don't pay £8 per month. You pay £80 because not everything you want to watch is on a single service.
You might pay for Netflix, Hulu, Apple TV, and a number of others. They still do geo restriction and DRM limits quality even if you pay, and they often still serve you advertisements.
People who pay for gigabit internet and expensive computers that do 8k would not mind paying for streams but it's just that these companies don't do good service.