This is an entertaining post...For one, I did not make this scroll, and two I find it entertaining that someone who owns 30+ scrolls is now an expert on how
to not only judge if a scrolls cloths are garish, but if they are appropriate.
Guess what, I make more than 30 scrolls for customers in a years time.
I have had professional scrollmakers in Japan that do this for a living everyday give my pattern and color selections the compliment of being "Shibui"
Shibui would be the opposite of garish. Here is a simple explanation of the term from Wikipedia.
Shibui (渋い) (adjective),
shibumi (渋み) (noun), or
shibusa (渋さ) (noun) are
Japanese words which refer to a particular aesthetic of simple, subtle, and unobtrusive
beauty.
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And if you can not explain the difference as to why a Maru Hyougu scroll with narrow Hashira would be more appropriate for this display than a Nidan
Hyougu scroll, or how a mountain slope would have been a better theme to utilize in the painting if using Bishamon, then maybe you should not comment as to the use of scrolls in a display...