If you provide a service that comes with terms and conditions, and you change them, you should be required to spell out what the changes are. You should NOT be permitted to just re-publish all twenty pages of your contract and play, "see if you can spot the difference!"
If you have terms and conditions someone has to agree to and inquiring about said terms sends you to a page where you have to locate the version of those terms you can actually READ among twenty-five different languages- noting that those who just sent you are perfectly aware of the language of the web site that sent you there- you should be put up against a wall and shot. Adobe, I'm looking at you.
(This statement is not intended to imply an actual threat of violence to Adobe, any of its employees or subsidiaries. Unless I somehow get to start making laws. Then, watch yo' ass.)
And if we're allowing real pipe dreams, how about just "if you want people to agree to terms and conditions, those terms and conditions have to be in plain English (or whatever the local language is) and fit on a single page of 12-point type."
Regarding adultery: how about if you want to sleep with other people, you just don't marry? I'm fine with if you want to set someone else as your power of attorney, or to inherit, or be able to visit you in the hospital, or have parental rights. But if you want to sleep around, maybe you shouldn't call what you've got marriage.