Well I don't think so. For a businessman, yeah he is but for the latter, that's quite arguable because you may not actually know the intents of people.
To the OP, yeah we're not supposed to be shaken by his negative sentiments. Actually, Crypto has already seen worse from these "people" so I don't really give them much of my attention. I focus on how to make it in the cryptospace other than worrying about when it'll die.