Rizwan at No4 avg above 49, SR ~ 90

Why can't the selectors go for a proper opener? Even have options like Imam, Abdullah Or Haseeb.

Fakhar/Imam/Haseeb/Abd (any 2)
At No3 Babar
Rizwan
Tayyab
Agha
Shadab/Khushdil
Naseem
Shaheen
Haris/Wasim
Abrar/Muqeem

KG, Hasnain