If your pitch to the general American electorate to solve the affordability crisis is to become vegetarian good luck getting elected.
I actually cook extensively with non-animal proteins but I enjoy the choice to do otherwise and, if it's going to be curtailed, I'd prefer it happen for a reason more meaningful that some idiotic international blunder.
I've seen tofu go down in price in recent years. It's incredible. I think my local store is doing a block of extra firm for under $1.50? It used to be $2