Each county should organise a Summer Fun League (the SFL???) for the non-county players. Play it Thursday night or Friday night. A game every week with a two week shutdown for holiday, say the first two week of August. Start June 1, end Sept 1 is three full months. 10 games.
Made for player who just want to play a game with their lifelong friends and clubmates without the need for dieticians or S&C coaches. Of course, a few players on every team will take it very seriously in prep for September/October full club fare, but that is fine too. You would have the soccer and rugby lads returning for the summer and, who knows, maybe even staying for the county championship.