I think you can make really strong arguments for productivity both being higher than normal times (due to overwork, less options for non-work activities, etc.)

I think you can make really strong arguments for productivity both being higher than normal times (due to overwork, less options for non-work activities, etc.) and lower than normal (due to additional childcare responsibilities, overall stress level, etc.). I think both make a good case for the OP's point that the current situation is not indicative of what we'll be able to sustain long-term, both good and bad. Personally, I think the biggest thing my team discovered was how much of our work was actually able to be done remotely. We were all averaging roughly one day a week work from home, but I expect to be more like 2-3 long-term.