Deloitte probably decided that they wouldn't sign off on the 10K unless certain issues get resolved, and someone knew that it is impossible for them to be resolved in time. They don't start the audits in March. They start even before the fiscal year ends. It's not like Deloitte found something they didn't like in March and then resigned.
I'll admit I got fooled. I never invest in advertising/media companies because it is not a sector within my circle of competence. But I went in anyways because it looked like the Muddy Waters report was so fake. Lots of people like me went long after seeing the stock price drop from the mid 20s down to the low teens because the reports look low quality. I figured that if this isn't fraud, it would double very quickly and if it is it may go to zero, and there is a catalyst within a month or two (the 10K). I made a bet believing the odds of fraud were low because of Starr and Deloitte, etc. The intention was to draw in suckers like me. Someone knew the outcome beforehand and created a scenario that looked attractive with those shady reports that looked like they could be easily discredited.
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