Incorrect. CPEC offers Pakistan all the connectivity with Central Asia, Russia that Pakistan might need. The motorways, highways in [refer to red line marking Islamabad, Pakistan to Kashgar, China] CPEC northern route like Hazara Motorway, Karakorum Hughway will link Pakistan with Kashgar. Rest is easy peasy as Kashgar is gateway to the entire Eurasian landmass. Please refer to map below -
You often hear about Pakistan being in a strategic location. Well there is a reason for that. Notice some of the CPEC route to Kashgar already has Russian script on it's road signage in Northern Pakistan. This should tell you something.
Hazara Motorway - en route to Kashgar, China.
https://en.wikipedia.org/wiki/Hazara_Motorway
Russian/Chinese script on road signs Northern Pakistan. CPEC is about Eurasian connectivity.
I think you pretty well know that those running the country in Pakistan might talk religion but they certainly don't get intoxicated by it. PM IK and COAS Bajwa's tight grip on athiest republic in Beijhing should jog your mind a bit or so I should think.