It is impossible to make the Internet Archive understand copyright when their entire business model relies on not understanding it.
If that were their real intentions, then I think people will call this no different than a typical for-profit tech corporation trying to artificially inflate their worth.
(Now I must say, I've also seen that strategy pursued in practice among businesses, and let me tell you, it's a lot easier in the non-profit world!)
It also doesn't make any sense in this context. Soliciting donations only to spend them on lawyers doesn't yield any net money for the organization.