The answer depends on your jurisdiction, your intent, and what you do once you view the feed.
Exposing a security camera to the open web is more than just a privacy concern; it is a gateway for broader criminal activity.
The keyword "inurl viewerframe mode motion hotel 2021" is now a historical artifact, but the lesson is permanent.
: Many older IP cameras were shipped with default usernames and passwords (e.g., admin/admin) that users never changed.