I'd be more willing to eat things like quorn if it was financially beneficial as well. Costs the same as normal beef mince for example so can't be bothered switching.
I think that's when we'll make the biggest dent in the world's meat-eating habits, when the alternatives are significantly cheaper. But I suspect it's not just the cost for you atm if the prices are the same. Meat is delicious like, I do miss it sometimes. But giving it up or cutting back on it is just a really good thing to do for all sorts of reasons beyond price