We postponed year 2020 visit to Wilderness Inari for obvious reasons. On looking into booking 2021 March, we don’t see the glass igloos available. Does anyone know why?
It's hardly surprising that they're not taking bookings for next year at this stage. Not all tourist businesses will survive. I can only suggest you take another look in a couple of months, when there will hopefully be more clarity about the future.
It appears they are taking reservations in other rooms and buildings, just not the glass igloos.