Ok, your birthday party and weeding are excluded.
If you are in a dinner at home foe two, is it a party?
Funerals?
Let's buy a real champagne instead.
[1] It has a microphone and a camera and GPS and use AI to detect parties. The data is send to the servers and stored securetely.
Words are context sensitive. Openness here refers to the user freedoms, which go beyond the permission to read but not reuse.
Source that is merely available could be regarded as dangerous, if you happen to later copy ideas from the proprietary origin in your own implementation without even being aware of it. I could see the point in trying to stay away from it as programmer.
Good thing we’re not debating the term “free software“… ;-)