Bad faith argumentation has nothing to do with honestly presenting your views. I can defend positions I don’t actually hold just fine, an argument doesn’t gain any special properties depending on who makes it. I could even claim that I held these beliefs and it would have no effect. Rather, bad faith argumentation has to do with how you engage with your opponents arguments, not your own. An example of bad faith would be if your opponent said that they liked Germany, and you then spun it into portraying them as a Nazi.