From my own experience I can tell from all the airdrops that I know the top projects were only: Vite, Ontlogy, Dfinity. All others were shitcoins
Well this was written According to your own opinion and experience you have had so far. During those days when the market was much better, project like HAT, BTW, EQUAL, ENU, HYDRO in addition to your list of Airdtwere better. Till date HYDRO is still making wave due to their MVP that has been release. Thereafter we started seeing shitcoin in all others that follows