Another example are watches, while it may not put a deep scratch on my bracelet, but swirl marks are usually noticeable. I remember a sweater that I was wearing, that scratched my watch's bracelet.
Unless you are collecting cues, that sit in storage, your cue will develop wear. You are more likely to ding your cue on the table, than to have a case damage a cue. I can guarantee you, that ultrapad material will not scratch your cue. John gave you the opportunity and you threw it in his face. You are either bi-polar with split personalities or trolling.
We all think the latter.