I have just spent an hour or so on yard work, my usual form of exercise. Much of it consisted of pulling out self-seeded privet, of which my yard produces an inexhaustible supply. I also got rid of some ivy, ditto. Which suggests ...
If someone who does genetic engineering wants to make himself really useful, he should look into engineering vegetable pests to make them good for something. If only my yard grew a variant of ivy whose leaves made a tasty and nutritious lettuce substitute, I would have a lifetime's supply of salads. I am not sure what can be done with privet, other than letting the trees grow up and turning them into lumber, which would make the yard unavailable for its present function of growing fruit trees. But perhaps someone can think of something.
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