There’s a very significant difference between “the coming global lockdown” and global lockdowns have happened and might happen again under the right circumstances.
There is no gaslighting, a term massively overused and often wrongly, in questioning and pointing out the paranoia in the former statement.
The person I was replying to seems to have a very dim view of the current and future. They reference the increase in “deaths of despair” and I think that online negativity only provide further fuel.