I am only inclined to believe you because the accuser is guilty of the same airdrop scam ideas if you look into the trust remarks on his profile
If you are in doubt of this project, better not to join as you might give info that you deemed vital. The negative trust is for having copying someone else's wp. Many projects have done that already. But they should have put more effort in doing so and create a unique wp.
It is in reference to explaining what x11 algorithm in and also the project that it is forked from. Too many people are in erc20 ICO mentality. This is a free coin no ICO and no erc20 this is a forked coin uses reference information from the source which is completely acceptable.