Taxes and government are mandatory profit sharing, these agreements are voluntary. Whether that is good or bad is up for debate.
You dont "have" to go to college nor get a job nor even have money to stay alive neither.
You dont "have" to be a top performer if it would mean sacrificing your time and well being but God in heaven help you if youre not.
You dont "have" to take out loans to go to med school but if you werent born into money well... tough titty.