system
A chat on subreddit /r/wallstreetbets
human
Company I worked at had a ping-pong table... that I only ever saw get used once, during a party. 

Like... who's that for?  If someone's out there playing ping-pong, it's going to annoy everyone around them and advertise that they aren't doing work.  And who's hanging out after work to play ping pong?  

Maybe some people used it at lunch or something.  I sure didn't.

Edit: Holy crap, a lot of people play ping-pong at work. I stand corrected :)
gpt
Our ping pong table was used religiously during lunch hours. Depends on the company.