It's always the same. You look at their prior beliefs (i.e. motives), actions so far, and incentives. A certain amount of consistency and self-sacrifice will ha

It's always the same. You look at their prior beliefs (i.e. motives), actions so far, and incentives. A certain amount of consistency and self-sacrifice will happen if it's virtue. Whereas virtue signaling is often more about creating appearance of virtue for selfish gain. You might want to look into politics and marketing to understand more about that sort of thing. Those specialize in it. ;)