I've never heard of Kirk Hammett being a laughing stock of anything. Maybe there is some jealously of how popular Mettillica has been, but laughing-stock? No that's hard to take seriously. He has ripped off some incredible riffs over the years, and is an amazing musician live.
He has a way cool style, that may not be to everyone's taste, as with EVH, but dismissing him in such a way as if that's the common perception, that's just not reality.