These laws can always be changed to fix these issues. Especially if they cause issues with food supplies.
The benefit of patents is the information in a patent is public information. The technology is shared in exchange for a monopoly of that technology for a limited time.
So it should be an easy fix, in the future. A good fix for now is exemptions to academic research, especially in universities seeking to improve environment and food security. These issues should be a top priority, well and above protecting a businesses interest. They should also lose the ability to sue for patent infringement if their plants become so common in an area it’s beyond reasonable to avoid cross pollination.