A serious and easily implemented suggestion about bounty:
Remove it and refund it all outstanding bounties. The system has never worked.
A less serious and more complex suggestion about bounty:
When you get the notification for a bounty payout, you can opt to pay a higher percentage than the default 20%. If more than one person has bounty on the target, your higher payout selection affects only your proportion of the payout, pro-rata. When viewing someone with bounty, you can see the average payout percentage received on their previous losses, if they have any (weighted to kill value, so I can’t lose 9 shuttles at 100% and then one battleship at 20% and get a misleading number). This lets the bounty-giver increase the incentive to shoot the target.
(But you might pay out so high a percentage that it’s worth the target killing themselves on an alt! Yes. Caveat bounty-payer. This isn’t a real downside because the current system already gives the unwary a way to waste their money.)