I bought an m series device to replace my windows desktop mostly for efficiency reasons. It saves me hundreds a year in electricity costs at the moment (quite literally, I calculated it beforehand and checked real usage afterwards). It also means my office is now silent and cool. It’s a big QoL improvement for me.

Even if your power is free, heat means a toasty office and fan noise, not to mention being careful about air flow around your furniture. Not a deal breaker but 100% of the Apple Silicon users I know have mentioned not previously having appreciated just how much noise their old systems made.

I do. I don’t like noise, or having my office heated in the summer, or the cost of hundreds of watts.

Yes. Especially in warm countries when it’ll add to your air con bill too