Needless to say even in the USA, dick-move clauses in contracts are not a magic wand that allows anything to be enforceable. Contracts can be challenged through litigation (e.g. as unconscionable) and there are laws (e.g. California state law prohibits non-compete clauses).
How does this show that corporations have too much power? We are literally discussing that this act could easily be stopped by legislation. Doesn’t that imply they have less power than the electorate?
A corporation having to ability to bribe people who need money to pay their rent and healthcare in order to save their own image is indeed "too much power".
> We are literally discussing that this act could easily be stopped by legislation. Doesn’t that imply they have less power than the electorate?
Not when they have full time people dedicated to lobbying the legislation. That's the issue on why things move so slow or halt when it comes to really voting on such policy.
One of the most pressing problems of our time is that these large corporations, on balance, have too much power compared to the electorate.