> but what I was aiming at was that we will replace one mass consumption with the other, just like we always do and that may mask the problem but I believe it won't solve it

You're comparing two cases of "mass production" without any quantifier.

Beef has an over 15 times larger carbon footprint compared to tofu.

https://ourworldindata.org/environmental-impacts-of-food

So sure, if everyone switches we would substitute one mass production for another, but we could feed 15 times as many people (all else equal).