It has to be hard for the haters to continue calling the Ghostbuster reboot illegitimate when even Bill Murray is showing up to do a cameo. And it turns out that Bill did that cameo very specifically to add a touch of legitimacy to the film. He has given it his blessing. But it wasn't an easy decision.
“I thought about it for a very long time,” he tells Vulture. “Like, many, many months. No, that’s not right. I was seriously thinking about this for years, really … It kept eating at me, and I really respect those girls. And then I started to feel like if I didn’t do this movie, maybe somebody would write a bad review or something, thinking there was some sort of disapproval [on my part].”
There's an enormous amount of awareness on display here - he's tuned in to how people feel about this movie, I think, or at least how the bad people feel - and also an enormous amount of kindness. He spent a day or two working on this movie in order to free them, at least a little, from the cloud of expectations and the possibility of ugly gossip.
That'll do, Bill.