habitual stupidity

Having the physical capicity to learn and grow but opting for ignorance or stupidity.

Stupidity born of a habit of incuriosity and hostility towards the application of mental resources by others or the requiment of the aplication of their own

A person who are hostile to thinking or learning as a matters of principle, politics and personal disposition

They have the potential to do better, they could do it but their arrogance and habitual stupidity gets in the way