I think the issue is: are tomatoes fungible for onions? What about garlic, or leeks? Or shallots? Just some pretty fuzzy categories.
Best way to find out is to try suing someone using the law and see how far the case goes. Let me know how it ends up!
Ugh.... with this activist supreme court, it's not worth the risk. /s
I totally get that, but I guess that's perhaps part of the conflict between big ag and more traditional farming... or said another way, as a cook, I know the difference between so many varieties of vegetables et. al. and I want very specific types for their unique qualities. But I guess I'm not buying by the ton or train car either.