In theory it sounds good, but based on the false premise that every guitar coming out of the factory is flawless.
Well, that's why the factory gets to apply their own protective film: any faults beneath that belong to them.
I recently got a long-awaited mid-priced guitar which had an outright paint run on the heel. Not
glaringly obvious - it's the back of the guitar, after all, and a highly reflective metallic paint. But not hard to find either, and not what one expects on a 1,500.00 guitar. It was obviously a failure in the paint booth, followed by QC failures at the factory, the American distributor and brand-name owner (who purports to do thorough inspection and setups here) - AND at the dealer.
In this case, the beleagured dealer graciously made it right for me; the American distributor/brand owner is in the same town as the dealer, and they know each other...but the distributor was no help at all. I believe pandemic-related disruptions come into play and may have aggravated the problem: the guitar was long-awaited and overdue for both the distributor and his dealers, and when some finally arrived (months later than hoped for), who's going to reject a paint run on the heel? I understood that finish and final setup problems have gotten more frequent in recent batches from this Korean builder, who in the past has had a reputation for pristine work. (And may regain it if and when conditions improve.)
Very much a first-world problem: overprivileged guy with way too many guitars whining about a flaw in a guitar shipped from halfway around the world, which he doesn't
need. I can't legitimately complain. I just observe that while such flaws can be expected in the 200.00 - 800.00 range, where there are some excuses, they
shouldn't happen when the price goes over, say, 1,000.00 (and the profit margins get higher). Production issues aside (and partially excused given current international trade conditions), it takes a certain cynicism to mass-produce mid- and high-priced brands - and then wave away and excuse poor QC. It certainly induces cynicism in We the Buyers.
Ironically, I frequently get virtually perfect guitars (at least in cosmetics and fit/finish) when buying the lower-priced spreads.