Tan Suede Long Wing - No Flash
Whiskey Shell LHS - No Flash
Side by Side - With Flash
And the Whiskeys with the New Whiskey "Little New York" from Ashland - No Flash
I can't say its stupid. Your not polishing both sides of the belt. In addition I've got many belts over the years that have required polish to touch up and I've not run across issues with polish getting on my clothes. It's all about the process used. I always use a colored polish to get my belt scuff, scrapes and color issues resolved. I buff a lot afterwards getting any residual polish off. I finish up with a few coats of neutral polish to seal in the color. I've encountered no issues with that process. You do need to be careful, but its an option that should not be ruled out. In most cases manufacturers use polish to get the finish where it needs to be and follow up with a sealer type coat.
Is this process okay for shell?
I think that is a fantastic make-up. Shoe Mart offers it - where I got mine from -- Ben Silver offers it in tan suede as well as snuff suede, and I am sure others, in addition to Alden DC, offer it too.