Re: Peers, Imams, Sultans, Sheikhs..etc.
Imam Shafa'i once said if you see someone walking on water or flying in the air, do not believe him; unless you see him adhering to the Quran and the Sunnah.
I would use that quote to make the statement, no matter who the Sheikh, Peer, Imam, Ameer is...he should not be followed, should not be believed in, unless you see him adhering the Quran and the Sunnah.