Programming interviewing process can be hacked, and a quick Amazon search uncovers a bunch of titles doing just that.
I can tell you what the bias might be - people with other backgrounds might treat software engineering and programming as equals, and thus have very vague idea of things like system reliability, scalability, failover tactics, deployments, etc., jumping at the quickest dirtiest obvious solution. Steer the conversation in a way where people become cognizant of your knowledge of application architecture and system-level design.
I can tell you what the bias might be - people with other backgrounds might treat software engineering and programming as equals, and thus have very vague idea of things like system reliability, scalability, failover tactics, deployments, etc., jumping at the quickest dirtiest obvious solution. Steer the conversation in a way where people become cognizant of your knowledge of application architecture and system-level design.