Yeah maybe those people are connected to each other or just newbies that trying to copy the work of anyone. Its possible when you join a twitter campaign your twitter profile link is putted in the spreadsheet. Its hard to register in the same time with different ETH wallets and also creating a twitter account. Its not a strong proof but the managers only could decide if they think its all a dummy accounts.
It's easy to find proof, i'm just checked they wallets, and all these accounts send tokens to one wallet (0x403915107D919A9af3361fA5A899Ea7c5F10FF80)