Earlier quoted context omitted.
> This is a product that in normal operation manufactures itself. Without patent protection, the farmer would buy at most one batch to seed his fields, and then never again. Isn't that a massive societal benefit vs rent seeking though?
If we got the seeds from the GMO fairy, yes. If we have to get the seeds from expensive R&D that wouldn't occur without patent protection, then no.
Why not?
It's literally a self replicating system. Trying to control that for rent seeking purposes seems pretty unethical.