My guess is this was because of the backlash. He has a long history of backing UAE and praising its leadership and all its roles. He is on the council who issued and blessed that agreement and his teacher heads it. So naturally, people would assume he too (as usual) endorses it.
“The modern Muslim obsession with so-called Islamic governance is a dangerous fantasy. It has led to a politicization of Islam that has eviscerated its spiritual power and exalted indiscriminate violence as a ‘justifiable means’ to Islamic ends.”