For me, preparing for an interview for weeks (or maybe months, I've even heard of interview preparatory courses) by reading exam-like stuff that won't have any

For me, preparing for an interview for weeks (or maybe months, I've even heard of interview preparatory courses) by reading exam-like stuff that won't have any effect to your job but are interview preparation only is an insult to my personality. I would never do it and of course I don't want to work on companies that don't respect me. The most important perk for a job (for me) is to feel respected.