Rust along inside door seam

[3onthetree]

Hello everyone. Found rust along the bottom of the driver side door, where the inner skin meets the outer skin along the seam seal. I see more bubbling paint so it looks like it extends further along the seal. I've never seen anything like this on a 3y.o. car with 15k miles. Anyone else have this? The dealer will just touch it up and send me on my way. No thanks.
I’ll try to get it with a Dremel/wire brush and POR 15/ Black Cote. Guess I'm a little pissed and just needed to vent.
-Frank

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