have a philosophy that if someone can provide any more meaningful information to a problem even if it indirectly solves the problem, I think that should also be rewarded.

Hey there. We see you’ve been busy reading, which is fantastic, so we’ve promoted you up a trust level! We’re really glad you’re spending time with us and we’d love to know more about you. Take a moment to fill out your profile, or feel free to start a new topic.

you could even provide an incentive if the user proactively opts to change a Pwned Password after being prompted, for example the way MailChimp provide an incentive to enabled 2FA: