KRIS
I think what Mighty Mo and LawBroker said is "Your will never Understand" or it's a "Hopeless Effort"
I am sure you will take what follows in the good spirit it is offered. You should ask Why, But the Answer will not give you what you want.
Knowing something and understanding something are not the same.
Steps to Wisdom:
1. FIND out what it is you don't know.
2. SEARCH OUT and locate that information.
3. SECURE and UNDERSTAND the information
4. USE the Information to gain experience.
5. REPEAT the experience to broaden the knowledge base so that it becomes Understanding.
6. AGE the understanding over time (like fine wine) utilizing reflection to finally reach having WISDOM.
So getting the answer to why will only provide you with one of the many answers to the question, It answers thereselves are not simple one liners like "to Keep them clean' or Reduce heat build Up" which may be incorrect anyway, but even if they were would only be a small sampling of the reasons and EVEN IF you got them all, You still will not have understanding of the reason for doing it, but you will be on the road.
Unfortunately trying to transfer the understanding usually brings ridicule from the receiver (not in your case i am sure) as they take the information as an insult to their perceived state of position on the road to being wise. So trying to transfer it is usually a hard task and one that is not undertaken for negabile gain on the part of the giver. It is part of why being a good parent is a very big job. From when they want the training wheels too too soon or want to go to dangerous places at Spring Break"
No one knows how long that road may be for them as you cannot see the end as you travel forward on it and you never get to the end in this lifetime anyway.
Thats why I gave the answer a few posts ago as "To get on the other side" for a better answer you need to become a chicken or in this case a Caliper Painter. Final thought paint your calipers! Live with them a while. See what you think after 3 to 6 months. You can paint them back to "Natural" if you still want to.

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