The Covid induced tech euphoria might die down but I am willing to wager that won't be the case. People's habits once changed are very hard to fall back, especially when the new habits have a net positive economic impact. Time saved in commuting, air travel etc. The events industry might totally die down though. So there will be some negative impact as well. Other than these specific verticals such as events and tourism, I bet the market will favour tech innovations now more than ever.
So yeah, this is probably the right time for any tech company to go public, not just those with mediocre metrics.