Yes, I figure they're doing this on purpose since it's the exact same (over)fill level that it was the first time. This is my second oil change on this car. I'm using the dealer, while under warranty, so that there will be no dispute down the road in case the (historical) issues come up regarding oil consumption.
Yes, I do wipe the dip-stick before checking the level.
If I do switch back to my trusted garage, I feel I must provide them with the genuine Subaru oil filter and, I know this is ridiculous, even 'genuine' Subaru oil.