If you think the only criticism is “it’s hard to test” it seems you have missed all the paragraphs in that section after the first one.

That interpretation of the criticism text is at best wishful thinking and at worst willful ignorance. Take off the rose colored glasses and read it again - there are several fundamental problems brought up.

I don't have any rose colored glasses. I read the section, found it tough to parse, stated what I understood, and asked for input. You have no reason to get rude.

I think the data from voyager kind of sinks the whole thing... unless it's just not far enough away....

...

It's not. According to the article it needs to get 12 to 13 times as far away (lg2(3000)).