Only because the nation states force this on the corporations. Do you really think the corporation would let you choose anything if they were let unchecked?

You'd have to pick your allegiance and then face the consequences. Or they'd pick you before you had a chance to choose yourself. Do you think the lords of old let the serfs have a say in whether they wanted to leave or stay? No. It would be the same for us. Going to digital lords and barons and no states to rein them in would be regressing.