Well given that the law specifically prohibits them from rescinding an offer if i dont want to opt out i gently remind them that if they try to pull any shit. Sometimes they'll just make the amend in the contract and that'll be the end of it, sometimes they want a reference for every single place i've worked at in the last 3 years (as a contractor thats probably about 20+ places), to which i tell them they'll get the standard 2 references and thats it, they also want verifications of every qualification i have, since i dont have a single qualification, only 12 years industry experience working for top names in the industry, that kinda solves itself.

Basically i dont stand for their shit, but i'm in a very privileged position of never once been desperate to accept a position, its always been very easy for me to find work. So if i need to walk away, i will. Its those who dont have this option and will agree to any terms put in front of them i feel sorry for.