They got rid of the three grades because of costs now it seems they want to bring them back. It could also been seen as a plan by the NRL/ARLC to take over the NSWRL/QRL.
On the surface it makes sense in giving fans more bang for their buck and a day out in being able to watch 3 games instead of just the 1.
If you and your family are footy nuts then you would more than likely have pay TV rather than purchase season tickets especially when there is only one game on.
The question will be if having three grades on the one day will increase spectator numbers at games?
It didn't back when we had three grades on game day.
Seriously, for most matches the ground was a graveyard until the second half of reserve grade, and most of those people were just showing up early for first grade. Attendance numbers were also significantly lower on average despite the fact that the broadcast was significantly less accessible than it is today. In other words attendances were significantly lower on average back then, despite there being more bang for your buck by attending and most games being harder to catch on TV.
That was also long before the highly competitive social media age or broadcasters insisting on a half-hour to hour break between games. I mean the percentage of roughly under 35s whom would bother to show up to watch reserves, let alone pay for the privilege, has to be miniscule.
Frankly, old men with very thick pairs of rose-tinted glasses on are the only reason there's any push for a return of reserve grade or three grades on game day.