If the people originating and propagating this stuff know it to be false, or don’t care, or recklessly avoid checking it so they can deny culpability then yes, it very much is disinformation. They are responsible for what they are doing.

Yes a lot of people are suffering under the lockdown, but hundreds of thousands, millions, are dead or dying and health care workers are being driven to exhaustion and even suicide by the stress and emotional costs. These lies are stabbing them right in the back.