Re: no more trips to the US then - settled
If you've set foot in the US since 2002, then you've already given your fingerprints to those same people.
Me, I've been avoiding the place ever since then.
This measure? Well, you could have a talking point in that it's a violation of the Terms of Service to disclose your password to anyone - therefore they are asking you to commit a felony ("trafficking in access-control devices (namely, passwords)" under 18 USC 1029).