This could be likened to a patient who loses out on the benefits of a treatment because he does not like something about the doctor.
فَٱلشُّيُوخُ لَيْسُوا كَامِلِينَ ،‏ مَثَلُهُمْ مَثَلُ ٱلشُّيُوخِ فِي عَهْدِ مُوسَى وَزَمَنِ ٱلرَّسُولِ يُوحَنَّا .‏