Well, to be fair, they go under the group name "Amazon Employees for Climate Justice". Let's be reasonable and see it from the employers view that this sort of title has some sort of greater than zero implication that this entity speaks for Amazon.

What do we think Amazon would/should do if someone external to Amazon went under an entity name such as "Amazon Executive Committee" and posted controversial/activist like content? I would imagine that Amazon would attempt to deal with the negative PR of some people thinking that this is some sort of official Amazon group.