Nobody takes much notice of Mirage. Granted, a good part of that was because he couldn't even be seen until recently. He used his natural state of invisibility to rob banks (as a desperate cry for attention, maybe?) until Optimus Prime finally took notice of him and had him sent to Ratchet. Now, given the "gift" of permanent partial transparency, with the "special ability" to become fully apparent, Mirage can finally be seen... ...but pretty much everyone still ignores him, leading Mirage to complain endlessly about his sorry lot in life - not that anyone listens.