Pinkie MM's hide behind that. Try explaining it in English or actually talk to a MM.
It's quoted unsolicited yet the Level 2 that many of us see has no relationship to real unsolicited quotes out there. We know that because we actually trade, rather than just post.
Yet, people will deny that the MM's play games.
I ask others to go back when this was one decimal over and read the posts, i.e., .002's.
SSDD.