The 8 hour rule is totally unenforcable and highly arbitrary. The spirit of the law is still unchanged.
Hoss, if you want to ban alcohol consumption at the field, that is enforcable and very reasonable.
The mental and physical faculties of a totally sober 80 year old might still be lagging behind a well equipped 25 year old who just put away a few, so if someone wanted to take the impairment issue to the Nth degree, you would have to have all flyers pass a performance test in a simulator before handing them their transmitter to fly.