Most comets are fated to bust up entirely at some point in their lives anyway. In geological terms, they are temporary phenomena. If they didn't spend the vast majority of their lives out in the far reaches of deep space away from the sun, they would have evaporated completely a billion years ago.

And to be fair, Bowser doesn't strike me as one of the hard-assed radical envirowhackos, or at least hasn't been annoying about it if he is. In fact, I don't think we really have one of those on this board. Relatively reasonable liberal environmentalists, yes.

If you want to see protests, wait until we start working with nuclear power more in space.