As soon as someone goes to the wef conference, even if it is to give a speech that goes entirely against the grain of the crowd, people will say he's "one of them". Single brain-cell thinking
Who goes there knows what wef is, so..
The wef is a conference at which some spectacularly bad ideas have been promoted in the past. So if someone goes there to promote (much) better ideas, it's counterproductive to sling mud at them for it