Why tf is there a cap to masteries points

I want to earn coins I am sitting at 0 coins everytime but power points are over 15k for months, the star drops barley give any coins. I hope the next update fixes the progression system and fixes the upgrade system costs

I want to earn coins I am sitting at 0 coins everytime but power points are over 15k for months, the star drops barley give any coins. I hope the next update fixes the progression system and fixes the upgrade system costs