Yes, the DENG revocation was quicker than usual because the company agreed to the stock revocation.
Regarding RIVT it is a toss-up, IMO, whether the SEC files an Admin Proceeding with a subsequent stock revocation, or FINRA keeps the stock halted long enough to delete the trading symbol.....which is just as terminal as an SEC revocation of registration.
To bite the worm of incite is to bite the HOOK of the antagonist . They win .