Yes, the article you're commenting on already makes that point :) It’s also possible that many of these mid-level employees may have delayed transitioning

Yes, the article you're commenting on already makes that point :) It’s also possible that many of these mid-level employees may have delayed transitioning out of their roles due to the uncertainty caused by the pandemic, meaning that the boost we’ve seen over the last several months could be the result of more than a year’s worth of pent-up resignations.