The Dev should consider using some sort of proof of individuality ( like confirming a telephone number ...etc) to distribute some of the coins it will be more efficient method and it will reach out to a lot more people than the cash back program.
Why?
It would be way more beneficial to everyone if airdrops finished for good. That money would be better spent on dev, mkt and other productive stuff, plus people waiting for future airdrops means LESS people actually BUYING.
It is way better if price does x10 due to that actions than if we all double our stash via airdrop but the price stalls (or even dumps right afterwards).
Not knowing how the remaining coins are going to be distributed cause a lot of uncertainty. Investors hate uncertainty.
Sure air drop need to be finished as soon as possible but promises can't be broken otherwise the coin and the DEV will look dodgy,if first in the white paper said 98% of the coin will distributed then it should be that way you can have a coin distribute 20% and keep 80% for whatever reason you want to name it and that coin will go nowhere,it will be the coin for yourself, i had once mentioned that the Dev can include an optional 1-2% default donation from the airdrop that will go to development of the coin as psychologically will be easier for people to donate that way ,but if keeping 35-40% of the coin for the development everybody will lose faith in the coin and the Dev