Of course when people are traveling they will be in the view of various cameras out in the open.
https://www.digitaltrends.com/home/how-to-find-hidden-cameras/
However, most people don't want to be recorded whenever staying at an Airbnb, hotels, etc.
https://www.howtogeek.com/411095/how-to-detect-hidden-surveillance-cameras-with-your-phone
https://en.wikipedia.org/wiki/Airbnb#Controversies Any place of accommodation for travelers can have some potential problems.
https://www.safety.com/home-away-from-home-airbnb-safety-tips/
https://en.wikipedia.org/wiki/Airbnb#Negative_guest_experiences
https://www.businessinsider.com/are-airbnbs-safe-coronavirus
https://www.oecd.org/going-digital/topics/digital-security-and-privacy
https://www.jfg-nc.com/latest-cyber-security-tactics