The fact of the matter is he's publicly accused LMG, Linus, the other employees and fullscreen of falsely issuing copyright strikes and trying to take Carey down. This could get very, very messy and Carey could suffer some really serious consequences because of it.
What he should've done is contacted Linus or Luke and had a discussion about this in private to work out what has happened. Instead he decides to spit his dummy out, fire his mouth of and will now be made to look like the idiot he is in about 24 to 48 hours.