How many recurrent seasons would it take for countries/society to adapt and cope (whether that's hugely more full-time remote workers, or blanket acceptability of it part-time/during such occasions, or something else) I wonder?
Of course the above assumes that immunity really does develop after one exposure, and that the virus doesn't mutate into some sufficiently different form to reset the immunity counter to zero again. The evidence seems to indicate positive things on the immunity front, but it's still preliminary. And as for mutation, who can say?
And it's been a while since American legislators have considered the possibility of torches and pitchforks, so they still prioritize their electability (especially in the primaries, where ideological purism is more important) over social necessity.
The key is to buy time, now. To add hospital capacity, develop therapeutics and vaccines, and learn more about the disease...