People are buying the new products, and that will increase the market for them, which means that the situation cannot just return to before.

If you're so pessimistic, well, why do you think anyone cares about exhortations to buy local? Something will prevent them from doing so.

Also, it's kind of odd if pessimism makes you think the effects of COVID will vanish promptly. People normally adapt to recent events by assuming the possibility of a recurrence exists.