Please stop saying 'In the US' to describe only one training school. If you just want to hour build, there are many cheap schools. Cirrus Aviation in Oregon (just down the road from me) is renting a C150 for $65 an hour wet. That's 33GBP, and they do a 10% block discount so that's 3000GBP for 100 hours.
So by your logic, the US is half the price of the UK, right?
If you just want to bash a particular flightschool, then do that, but stop giving bad advice that somone might be foolish enough to listen to.