Yeah, well, no. Realistically no one ever will fight or most likely even decline a good job offer over a typical employment contract, and no employer will ever change a typical employment contract specially for you, unless you are somehow preemptively assumed to be a very valuable employee, in which case you are most likely being hired for some very high-level (like, executive) position, so your contract isn't "typical" to start with. And this is far less likely than actually becoming a valuable employee just by doing your quite ordinary job for a few years.

You might as well recommend fighting over your gym membership contract, of a bank contract, or a telecom operator contract. Right, it's your free choice, uh-huh. Either you accept it as is, or you go fuck yourself and workout at home, without internet, looking for a job where you'll be paid in cash (which also is far from being common). Again, unless you are preemptively perceived to be a very special customer (i.e. "expected to bring in a lot of money"), in which case your contract probably isn't typical to start with. And it is most likely your lawyer who negotiates over it for you anyway.