I should clarify that “inadvertently” is the key word here. The 0day happened because of a number of factors detailed in the post, and it isn’t the fault of any one person.
8 karma · joined December 8, 2021
Seems that they can enforce an embargo with their private customers so that it won't become a 0day.
It became a 0day because the security researcher inadvertently kicked off public discussion.