Earlier quoted context omitted.
So if I just say that whatever I believe is the 'reality of _", the conversation should switch to the potential ramifications of the ideas I believe? It seems like you are just saying that we should discuss the issues you (or some arbitrarily selected group of your choice) believe to be contentious issues. If you have some non-viewpoint-based standard for what is a legitimate topic of debate, I would be happy to see…
He's saying that discussing a scientific theory requires more than just "my opinion is that it's all bunkum."
Even if you have a high standard in the first case, and a low standard in the second, I can find a citation for almost any proposition, but there's usually no point to doing so because the people you argue against will just find a different paper to support their prior beliefs.[1]
My basic issue is that it seems mikeash is trying to impose their arbitrary standard on others.