Re your last para I think "expect" is the better choice. "If you use our stuff to do your day job then we expect you to help with our finances" - they're not forcing you to but they are applying social pressure.

"Expect" isn't a contract-like term IMO as it's too vague. If you were demanding it then they'd offer a difference license; this is not [as it's written] instantiating a contractual obligation, it's calling on the users moral nature.