The reaction was that the demand for the device so outpaces supply Facebook shouldn't advertise it.
But the OP points out something I hadn't though of, which is that VR represents a potential opportunity in the times of social distancing.
If Coronavirus becomes like the normal flu, where seasonal vaccines offer only partial coverage[2]--social distancing will become something people get very good at and want to maximize the bounds of experience in.
Thus, if anything Facebook would want to increase its investment and accelerate roadmaps for the technology.
[1] https://www.reddit.com/r/virtualreality/comments/fqk3dd/face...
[2] This hypothesis is based on this report from late yesterday and is currently not yet getting media attention: