I’d be technically impractical, but I’ve always thought there should be a system for weighing of individual users feedback. I follow a lot of trade related communities and 100% see a lot of issues where bad, wrong, and sometimes just plain dangerous advice gets a flood of upvotes from the amateur community while the handful of downvotes from qualified individuals gets drowned out. I think OP’s idea of making upvotes easy and downvotes difficult exacerbates this kind of issue.
I can also see the issue where a mod team simply blesses the users that they agree with and it just reinforces the echo chamber effect that is already an issue in some communities.
Canadian here, I guess offer directions to the airport so they can get a flight to British Columbia?