Pakistani state needs to increase its control over religious institutions. Divisive leaders need to be removed and more nationalistic, rational ones put into power. Any sectarian bigot needs to be thrown in jail permanently.
Preferably Pakistan deals with these people with a bit of a heavy hand so that they learn.
There needs to be state oversight of masajid and madarris, nothing less.
Mufti Taqi Usmani is indeed wrong here, howevwr I would give him personal benefit of the doubt due to his great work and loyalty to our country.
Maybe he is getting old or does not have complete knowledge of this subject.