None of these words really mean the same thing.
Snowflake is potentially rude, but the comparison is to something that is ephemeral. So it's an accusation of being rather fragile, which could apply potentially to anyone.
"Woke" is a description of a belief system, like fascist. It's a rather informal one, but a lot of people don't know a more accurate descriptor, so even if you use one they won't understand. It's probably inherently slightly negative, because it's implying self-righteousness, but it's describing an actual set of beliefs that can be held by anyone.
Gammon is describing a set of beliefs, but saying they are about being a white blowhard male, the implication being that because they are from a white male, they are bad ideas. You'd never call, say, an Asian woman gammon, even if she believed the same things. That's why it's racist,
And actually lots of non-male, and non-white people do believe the same kinds of things, so it's not even a real connection.