Yes, was me who first tried what is now called the 'in place heat clean'. And I used vinegar too. It worked well, though the atomizer was not very old; maybe 1 week's use.
In short, I repeated this 5 or 6 times over perhaps a minute. Found a few bits of the deposit broke off but the rest stayed in place. The surprise was seeing that the rest had come off after 5 to 10 minutes of
vaping use thereafter.
Exogenesis found hydrogen peroxide to work even better; probably because of the gas released (oxygen) breaking up the deposit.
CAUTION
Care is required, especially when handling the peroxide, and gloves and goggles are suggested. This technique is only for technically able people who understand the risks and that they are doing so under their own initiative.