To illustrate my point, consider the hoards of climate change deniers, or young earthers out there. To someone who doesn't study the climate or geology, their arguments might sound valid but are actually dangerously misleading. Physics crackpottery is a slightly more intellectual version of that, in that the subject matter isn't accessible to most, but it's no less dangerous. And there's so much of it. So, so much. Some physics bloggers have all but given up the will having battled these people for so long. They're like the conspiracy theorists of the science world. So I feel like it's not unreasonable for a layman to dismiss things out of hand until it's been properly peer reviewed.
We should all be wary of argument to authority, but perhaps less so to argument to experience and mutual respect.
Perhaps the sarcastic tone is too much, but "peer review" (flawed though it may be) exists for a reason. If there's a paper, you should link that instead, and if there isn't a paper then maybe that tells you something. There's too much crap on the Internet and it makes it far too easy for a layman to be led astray by almost-but-not-quite logic. I don't know if your link is an example of that or not, but I've seen far too many blogs that claim to have solved some big mystery that's alluded great minds for the last several decades, but yet somehow their work remains unpublished.