Hmmnm... In this case, there was no assistance after getting to the PCR test point. I would have thought Meet and Greet would stay with you through immigration, baggage reclaim, etc. all the way to the driver. Then again, I've never used such a service, paid or not.
I'd also have expected Meet & Greet to be a private service. This was one buggy for the handful of us who were in the F cabin (it was a 777 with a light load, so at most four of us). As soon as he dropped us off at the PCR testing point, he was heading off to get other people.