Here's Trump's original question:
"Supposing you brought the light inside the body, which you can do either through the skin or in some other way, and I think you said you’re going to test that too," he said to Bryan. "Then I see the disinfectant knocks it out in a minute, one minute. Is there a way we can do something like that, by injection inside or almost a cleaning?"
Here's what he asked Dr. Brix:
"Maybe you can, maybe you can’t. I’m not a doctor. I’m like a person who has a good you-know-what," Trump said. "Deborah, have you ever heard of that? The heat and the light, relative to certain viruses, yes, but relative to this virus?"
The other factor is that the news media would have to admit that one of their own made a mistake and that President Trump did not say something dangerous. They would rather drink bleach themselves than do that. And that's the problem with an adversarial press. They won't admit when they made a mistake. Possibly most of them aren't even aware of it since most of them seem to consider listening to the President's daily briefing a waste of time.