And I can guarantee most people ignore them. Any time you book anything on travel, hotel, or airlines you get a daily stream of useless “prepare for your trip”,

And I can guarantee most people ignore them. Any time you book anything on travel, hotel, or airlines you get a daily stream of useless “prepare for your trip”, “we’re so happy to have you”, “there’s still time to upgrade to first class”, etc. emails that can be safely ignored. It’s no surprise that an actually important message gets lost in that stream of junk.