Don't know about FB specifically, but in Bezosland they apparently are, according to this proud Amazonian, at least: https://www.teamblind.com/post/I-always-as

Don't know about FB specifically, but in Bezosland they apparently are, according to this proud Amazonian, at least: https://www.teamblind.com/post/I-always-ask-leetcode-hard-7SkBa4Yf https://www.teamblind.com/post/I-always-ask-leetcode-hard-7S... Smells like a troll - but perhaps only "partially" so.