Not so sure it would have been obvious. Our 17 Quantum WS31 had a tiny gap at the same location. We didn't notice it until about 6 mod into the RV. Finally used a bit of backer rod and sealant to fill the void. It was definitely not obvious, but there was a bit of reduction on road noise after we sealed up the joint.
Now slipping under on occasion and looking for other obvious openings left by the fine folks building our elegant motorhomes.
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