In Events, there appears to bug related to what the invitee sees when they arrive on the Event webpage -- and it may differ based on what device the invitee uses. Most invitees see the CORRECT info (per the Event > Settings) that this is an ONLINE event -- here at the top of the webpage...
... as well as here at the bottom of the same webpage:
However, as you can see in THIS screenshot -- where I got to the webpage via my iPhone 15 (when one invitee alerted us to the problem) -- they see INCORRECT info that this is an *in-person* event:
... as well as here at the bottom of the same webpage:
However, as you can see in THIS screenshot -- where I got to the webpage via my iPhone 15 (when one invitee alerted us to the problem) -- they see INCORRECT info that this is an *in-person* event: