Plants don’t have “a will”.
Says you. They certainly have a will to reproduce, get sunlight, get water.
You need sentience and a subjective experience of existence for that.
Ok. So anything that doesn’t have a subjective experience of existence is morally fine to eat.
Under your rules we can morally eat people in comas.
If people bring up vegetarianism in an empathy debate then no-one can stop me empathising with the carrot.