There are some restraints concerning rules, and the main postulate is:
Thou Hathet No Choice!
It's disappointing sometimes, because there are some really nasty spots and a few irregular forced drops, but at least it's the same for all players - a minor kind of fairness.
The ultimate escape from those nasty lies is "put until you maxed out the hole!"
(Choices like Gimme and Mulligan are quite new)