They're talking about two different things - one is about people leaving the labor force entirely, whilst the other is about people quitting their current jobs.

They're talking about two different things - one is about people leaving the labor force entirely, whilst the other is about people quitting their current jobs. Now, there might be some overlap but there doesn't necessarily have to be all that much because a bunch of people were made redundant earlier in the pandemic and some of them aren't going to return to working again.