> The government's proper role is to prevent people from using force on each other. It is not forcing things that the government imagines are good for people on them.

I don't think you can necessarily separate those two things from one another so simply, except in the most extreme of examples.

> For example, I believed for decades the advice from the government that margarine was better for me than eggs. That turned out to be backwards.

I'm just going to assume you chose a bad example here. There's no force at play, you're free to choose your thing, you can even have both at the same time. Freedom!