Probably not common, but certainly plausible. Not everyone wants to bring work home or have hobbies that are the same as their work.
I kinda assumed that most developers took a similar approach to me. Laptop because portable when you need it, hooked to large screens, nice keyboard, nice mouse/whatever. I don't know what having a desktop would really buy me. I do 99% of my work with the laptop docked but that remaining 1% it sure is handy to grab it and go.
If you are just making web apps, it does not matter, but I do data processing where having the headroom can make a big difference.
Do you actually believe what you’re saying, or have you not thought it through?
stop advocating that we discriminate against them because you feel you need your hand held.