These people were cutting and burning these forests just for timber and firewood, and have been for decades.
Even in places where it's banned to do so, and they risk jail.
A smaller profit margin isn't going to prevent them from utilizing the one resource at their disposal.
The fake meat story is a fraud - if you care about pollution, like every other industry yu can regulate how they handle waste products and other operational practices.
Fake meat is just a consolidation play, which happens to be the factor that made meat production a horror show in the first place. Instead of cutting down rain forests for pasture, we’ll cut them down for more protein sources to manufacture fake meat. Ditto with palm oil, which will drive some apes to extinction because there is a marketing problem with selling lard and a health problem associated with selling hydrogenated oils.