I ordered a Dell XPS 13 Developer edition in 2013. I picked Ubuntu Linux and the email confirmation said Ubuntu on it. Wait a week, it arrives, it runs Windows. Ugh. I was so confident that we had moved past it being this hard to buy a linux laptop, in 2013, but I guess not. All of my friends made fun of me for trying to buy a linux laptop. I ended up failing as hard as possible, being out thousands of dollars while…
Maybe I'm missing something, but if they sent you an Ubuntu-compatible laptop and just forgot to install Ubuntu on it, can't you do that yourself? It's not the installation by the vendor that makes the Ubuntu support novel, it's the hardware selection and official support, right?
You also do not get their professional support this way, which was the primary reason I was attempting to purchase the computer in the first place.