All kidding aside, to me putting flat laces on Daltons brings the following issue into stark relief: that sadly AE doesn't stock a true work boot (one that would compete with the Red Wing GT, Wolverine 1000 Mile, Chippewa Service/Homestead, etc.). The Bayfield, Long Branch, Eagle County, and Portland all dance around it, but you have to go the custom route to get something that really approaches what I would consider to be a work boot - cap- or round-toe, no perfing or brogueing, lug sole, and the like. (The Promontory Point might come closest, but with the Dainite sole and no speed hooks, it's still not quite rugged enough for me, and AE doesn't seem to be positioning it as an alternative to the ones I mentioned above.) Flat laces on work boots are definitely the way to go, but IMO on a Dalton it looks like you're trying to turn them into something they're really not.
Just my $.02.
I dunno about that. I believe my straight tip boots are inherently dressier than the Dalton and just look "right" with flat laces.