Public water has always been a problem. Particularly "reclaimed" which isn't necessary (we have plenty of clean source/potable water to drink).

Theory has some holes...

Doesn't explain how people on wells got it.

Not sure I believe people in water authorities all over the country could pull this off without someone saying something. Those people drink their own poison.

Why was gain of function necessary?

Now that vexx uptake is the highest it's going to get, why does it continue?