3 different instructors give 3 different answers
Nuggets
That's very true but don't be afraid to ask WHY each one has that particular opinion. Sometimes there's a very good reason, sometimes there isn't - its just the way they were taught. What seems like a weird idea may have good reasoning behind it - or it may not.
Standardization is important for students but the chosen standard needs to be a sensible one. In this case, it would seem your CFI is being a bit non standard - don't be afraid to ask him why he thinks that technique is better.
Questioning a superior can be daunting but come at it from the point of a CRM issue - you need to understand why, so you need to ask the question. He should listen to your question and respond with appropriate justification for his opinion. More likely than not, it will at least make him stop and think about his position. He might even change his mind! CH