Yeah, this was stupid to me. "Hey, have you ever noticed the eerie instance of your phone showing you ads about something you just talked about? To test this, talk about something unique and see if your phone serves you ads about it. 👍"
And if you're working from a secure compartmentalized environment or are working on a high security project that doesn't let you pull libraries from outside. Lots of reasons for being able to roll your own. Besides the fact that it takes like two minutes to write it correctly.
How many services do you need to log into during the trip? If it's a minimal set, you could temporarily change their passwords to something memorable, and then change it back using your password manager when you return.
To the surprise of absolutely no one