Zooker,
250 kts is actually used for safety reasons so not a restriction at all
But you say "but listening to these folks working" suggests that you don't actually work there and are actually not really qualified to comment on the subject of ATC working practices.
You are correct in what you say about the award but need to read the comments from Pprune Radar.
They are part of an organisation which provides a "top drawer" service-full stop.
Not sure what you mean by the "real commercial world" though.
Me Me. It is only 28 hours for the weeks they are on the roster. They will have to make up the hours to a normal 35 hours week elsewhere in the year.