I'll echo marlboroza's sentiment and state that it doesn't matter if the airdrop is free. There are certainly suckers who'd buy this .
To be less worried about merits, I don't think this guys are making profits, they are obviously trying their luck.
The fact of copy/pasting exists in almost every crypto project, they all (80% if not all) build on existing projects.
I only see them trying not scamming to be realistic