So you don’t call your father or grandfather such, or even “poppy,” “pa,” or similar words? Those all have their origin in the Latin word “pater,” which means “father.”
So many strawmen, so little time.
The CONTEXT is spritual leader. Christ is specifically refuting a Pharasitical habit of calling the leaders "Rabbi", "Father", "Teacher" in matters dealing with scriptural teaching and mentoring.
Is this a difficult concept for you?