"They have exactly the same copyright policy as any other UGC site. They take down infringing stuff when they're told about it." Looks like an Everybody Else I

"They have exactly the same copyright policy as any other UGC site. They take down infringing stuff when they're told about it." Looks like an Everybody Else Is Doing It argument. What makes "the same copyright policy as any other UGC site" morally acceptable? It's easy to read that as "we'll make money from your content until you catch us".