Paul Tobias (also known as Paul Edward Huge (pronounced hugh-gee); born in August 1963) is an American guitarist best known for his involvement with hard rock band Guns N' Roses, with whom he collaborated with from 1994 to 2002. (wikipedia)
Future employees at the moment of hire don't negotiate, don't hire a lawyer, don't tamper with those clauses, don't even read them. They're interested only in the money. They'll sign anything.
If you sense you have bargaining power, you can write your own ticket.
Retaliations are hard to prove, ... That's why, I think, we don't see this in the law offices.
We think random drug testing is inappropriate, particularly in areas that are not safety jobs. For an engineer on a train, perhaps it's appropriate. But for most of us, why should we submit to a drug test? They are humiliating, offensive and intrusive.
There's a potential for abuse. I'm sure there's been grumbling.