The last thing we need is to turn cheeseburgers into a political statement.
You want to make real progress?
Don't pick fights with hourislate's barbecue--it sounds like a great time.
At least in the US, there's no chance of convincing more than a tiny minority of people to give up cheeseburgers and barbecue.
But on the other hand, if you promote non-meat dishes from around the world (falafel, shakshuka, black bean tacos, pastas, you get the idea) it's entirely possible for the average person who eats meat every day to switch for a few meals per week, whether they're motivated by climate, health, or just really liking tacos.
And take a hard look at restaurant portion sizes. In a lot of cases they've doubled since the 1980's.
It's easy to imagine this as a 25% reduction in meat usage, without picking a losing battle against backyard barbecues.
What I find hard to understand is this: if you want to eat meat, why would you choose to eat a meat substitute? If you don't want to eat meat, why would you choose to eat a meat substitute?
How many people are there that really want to eat fake meat? Or fake anything, for that matter?
Which can be reversed by eating a plant based diet. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5466936/
If not for the planet, then for your health.