IMO Bashar is not credible at all Hugh. I wouldn't worry about anything he says.
They are just trying to scare people. Any breakthrough wave will stabilize things if anything.
I skimmed that Boeing whistleblowers PDF. It just looks like a smogasboard of pseudoscience and unfounded speculation. They are probably pumping out this garbage in an NSA basement.
Thanks for posting anyway, it shows how terrified they are. They've been spamming CEL with the most outlandish rubbish recently. It's about getting us to weave a negative timeline.
The following vid is another example of the tricks they are pulling:
It's not worth watching the whole thing, but clicking through will show you what they're trying to do...