system
A chat on subreddit /r/NoStupidQuestions
human
I was neutral towards the card. I just needed proof of vaccination to keep my job.  


When all of this began, very few places even checked for cards. I doubt anything would be different today-- since cards weren't checked much in the past, they wouldn't be checked much today.
gpt
I went to Greece in 2021 and you needed them at like every restaurant.