It is how the game has developed, Some suggestions works others do not, It takes time for the league completion rules to settle down. You show this as an example with your edit about attendance points being different over seasons.
How much skill is in attendance points? Especially when a person gets 20.
Maybe you should have done the table deducting the attendance point too, so you can prove your point further?
I have just realised that I am talking to Brits who voted for Brexit, then wanted to change it because it is not going give them the results they wanted. I should have known better.