[SQueeeeeL]

>Was the "inability of the produced seeds to be sowed again and turn into a crop" intentionally baked into the seeds sold by these companies, purely for profits?

No, it's purely a contractual limitation. Farmers need to sign the rights away and performing experiments with seeds blown on your land is considered a breech of contact law (i.e. you don't even need to purchase the seeds to violate IP regulations). https://www.theguardian.com/environment/2013/feb/12/monsanto...