staking amount will be used for promotion and bounty
70% of the premine is the community's. if you're staking those coins you're stealing what is the community's stake rewards. You already have 30% of the premine earmarked for bounties and promotion and yourself, where did you state in the OP that the 70% of coins that are earmarked for the community will be staked and drive the airdrop's stakes to nearly nothing?
Yes, totally agree. When you start staking with such weight, there is no point in any others running their wallet for staking.
If you want to have coins for bounty and promotion, reduce the airdrop to say 35 rounds and use the coins from remaining rounds transparently.