We'll have to wait and see. So far, the local immunologists do not appear to be too concerned about BA.2. In fact, the DPH is loosening up the indoor mask requirement as of February 1.
Updates to SF's COVID-19 Health Order includes changes to indoor masking, testing and vaccination requirements
The locals do not seem to be too concerned either. The Lunar New Year China Town Flower Market Fair was pretty crowded today.
I think people are pretty much resigned that Covid is not going away.