Guess they figured that could have been the sub but wouldn’t know for certain till they found the wreckage.
I reckon it was to “Distractify” from the Biden’s political news cycle…
In Today’s World, EVERYTHING seems to be psyop…what was REALLY going on on 9/11??? Only those In Control know & we no longer even understand exactly who that is… 
The two videos posted by Divergent give a broader view on The Bigger Picture which can help us expand our thinking!! 
Always the glove…never see the hand…
In your opinion…who or what is The Hand??? 
Professor James Moriarty, -who else could construct such a diabolical and fiendish web of intrigue?
You made me laugh!!! But…C’mon Man…you can do better than that!!! 
I’m of the irritating school of vague “John Keel-esque” varieties of Trickster/Demon that change according to the subject’s degree of perception… and at other times it feels as if the most effective method of deceiving humans, is to employ the imagination of other humans…perhaps an older or more sophisticated lineage, but some other version of us nevertheless…