With the rental model, you are in much the same boat as a person who rents a house, when the landlord wants to charge more you pay it or get evicted.
Except that in the case of software, if either your data is locked up in some proprietary way or there is no competing software with a similar feature set anyway, you get evicted and there's no other landlord offering you an alternative place to live.
Except that in the case of software, if either your data is locked up in some proprietary way or there is no competing software with a similar feature set anyway, you get evicted and there's no other landlord offering you an alternative place to live.