Here are the official answers to the two questions:
https://www.reddit.com/r/Nimiq/comments/alwj0t/monthly_discussion_community_questions_february/egc1x2r/(1) During hackathons, everybody in Nimiq works every day including weekends. While not at hackathons everybody works during weekdays and usually take either Saturday or Sunday off.
(2) I don't know who normana really is. I do use the Nimiq account in Bitcointalk though.
So much for "They don't answer questions". All pending questions from BitcoinTalk FUDers are answered now....