[tokai]

Your source confirms that exactly.

"Since distilled water doesn’t contain its own minerals, it has a tendency to pull them from whatever it touches to maintain a balance. So when you drink distilled water, it may pull small amounts of minerals from your body, including from your teeth."

[detaro]

... and then explains that the effect is small enough to not be a problem, so no, it does not confirm that "you shouldn't drink distilled water".

[tokai]

But that it could be a problem. So its not a myth, that it is demineralizing your body. Its a small effect - but its there, and it could have a negative effect on the body.

[dmd]

"The gamma radiation from distant galaxies is not a myth. It's a small effect - but it's there, and it could have a negative effect on the body."

No - some things are small enough that they cannot.