The rewards cards being handed out previously accomplish two things reminding people to do their part on keeping the course pristine and propping up sales.
If you noticed there is no longer sand available on the tees. They stopped that a few years back. And of course we have the competing factors of speeding up the golf game vis a vis properly maintaining it. There are also other factors but ...and the beat goes on
Actually I don't need no stinking reward card to rake a trap or repair a divot