The point is something like
Premier League => Football
Championship => Union, NFL
League one => Cricket
.....
......
.....
National League north => Rugby League
We are not even playing in the same sphere as Union. Quins vs Wasps / Saints vs Leicester double header at Twicks would sell 100K at Twicks if it had the capactity, yet we can't even pull 50K for one day of summer magic weekend, when we have 4 games on offer