The shares weren’t sold short by retail. Impossible in sub penny stocks. Prohibitive costs and US brokers generally don’t allow it.
Failures to Deliver on their own - again - is zero evidence of naked shorting.
Many many posters have been accumulating shares here for years and many have stated they own millions and millions. Also could have been a couple or more retailers dumping shares and not just one.
No case for manipulation. It’s not surprising people would be selling. Frustration for some would certainly drive selling. After all - all the hype has failed to deliver the fortunes people kept expecting. Understandable if some lose patience