Kind of feels like there should be better ways to do this.
Like maybe penalize rewards based on total number of crowns won to date, a chart, the more crowns the less the rewards percentage.
That said, might not be easy to code and obviously this proposal is already up for vote.
It can be in the future, but we have to deal with the ressources who splinterlands is willing to invest in this topic and @cryptomancer said it clear in discord that anything who need coding won't be solved quick, so I think it is reasonable to start with that what can be done (relative) quick and come later with a second proposal.
The second part is already on the way (but clearly will require another vote, you can check it out here:
https://hive.blog/hive-13323/@khazrakh/lets-fix-the-brawl-system-take-2