Well, the Mac mini was never "sexy", but it was and continues to be a fine business computer. We have several in our small business, and it allows me to justify purchasing Macs when compared to budget Dells and the like.
I don't know what you're talking about when you say "nobody wants a low-end Mac", because historically, a large complaint people had with Apple was that they were too spendy. And Mac minis ARE powerful and can do so much…
Here's the proof.