Update: got the oil overfill taken care of this morning

Had almost the same thing happen on my wife's Pilot a couple years back. Shop put in what looked like half a quart too much, dipstick well past the top mark. I called and the service writer just shrugged and told me the same line about it burning off. I let it go for a week and honestly nothing bad happened, but the exhaust did smell a little richer than usual and it bugged me every time I checked the stick.

What ended up working for me was buying one of those little hand siphon pumps from the parts store, maybe twelve bucks. You pull the dipstick out, slip the thin tube down the same hole, and draw out a bit at a time into a bottle. Took me three small pulls to get it sitting right at the full line. Way less messy than I expected and now the pump lives in my garage kit for exactly this kind of thing.

One thing I learned doing it that way is to pull tiny amounts and recheck each time. It's easy to overshoot going down and end up low, then you're adding back in half a quart at a time and second-guessing yourself. Cold check only, same parking spot, every time, just like the original poster said. The place I went to folded not long after that, so I do all my own oil changes now. Between the drain pan and that pump I've got the whole routine down to about twenty minutes in the driveway.

Funny reading this because I just do the oil changes myself on my Corolla now, and even I overshoot sometimes. The filter holds some oil so I always end up second-guessing how much to pour back in. Last spring I overfilled by a noticeable amount and rather than pull the plug again I took a cheap turkey baster from the dollar store, fed a bit of clear tubing down the dipstick tube, and sucked out a little at a time until the level looked right on the stick. Took maybe ten minutes in my garage and no mess under the car. I know some folks say just leave it if it's only slightly over, and honestly on mine it probably would've been fine. But I sleep better when the level sits where the manual says, and I'd rather fiddle with a baster in my driveway than drive back across town and wait in a shop lobby.

One thing I've learned doing this myself: check the level with the car on the same patch of ground every time and give it a few minutes after shutdown before you look. My dad always did his checks first thing in the morning before starting the engine, and I picked up that habit from him. Consistency matters more than the exact moment you choose.

Worked parts counter at a dealer for a few years and we'd get this arguement weekly. The 'burn off' line is half true at best. A few ounces over the full mark, no big deal, it'll either sit there or creep up the dipstick tube. Half a quart or more is different, the crank splashes through it and whips the oil into foam, and foamy oil doesn't lubricate worth anything. That's when you pull some out. Good on the OP for going back instead of letting it slide, most people never even pull the stick after a shop visit.