America is also having a whey protein shortage, but that's mostly because it's very popular right now and we're eating the available supply of whey powder.
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