The author is French, the usage of quitted is more likely a mistake outright. As for the quoted version it's explained next to it, he's quitting professionally but likely will continue as a hobby, in French you'd use quotes to highlight the fact it's not to be taken literally.
PaulSec|3 years ago
CrazyStat|3 years ago
gtirloni|3 years ago
cuttysnark|3 years ago
Thanks for the good-read!
unknown|3 years ago
[deleted]
bdsa|3 years ago