As you point out, it's one thing to move house because one wants to--for better employment opportunity, for example--and another thing to move house because one has to--for better employment opportunity, for example.

    Recently, all the residents in the vicinity of Fukushima found they were suddenly no longer obliged to remain where they'd been living.  

"In such an environment it is not surprising that the ills of technology should seem curable only through the application of more technology..." John W Aldridge