Does the actual Threads app have 150M MAU or are they counting everyone who has seen a Threads post shoehorned into their Facebook or Instagram feed as a MAU fo

Does the actual Threads app have 150M MAU or are they counting everyone who has seen a Threads post shoehorned into their Facebook or Instagram feed as a MAU for Threads? Last I heard there was no way to turn that content mingling off, you get shown Threads posts in the other apps whether you want them or not.