We'd be better off if we couldn't do this. Predatory credit would disappear.
That's why we allow them to be a legal person. So Comcast can sign a contract to purchase a new toner cartridge, rather than requiring a signature from each owner of each of their 4.5 billion shares outstanding.
I guess I could rent instead, except that would require a contract as well. I get the impression you haven't really thought this through.
This is an especially pernicious case of the normal Stockholm Syndrome we see whenever the special status of corporations is challenged. No firm is 100% robots yet. If we withdraw our consent, they have to raise wages and improve working conditions until we relent.
This is especially true for freelancers, who don't have a single employer and are instead usually paid for deliverables as specified in a contract. Being able to quit anytime doesn't help if you've already spent weeks or months working on a project and never get paid because the company decides on a whim that they don't need your deliverable anymore.