I don't disagree with anything in this article on principle, but we should remember that 37 Signals is a small company with stellar employees, and Best Buy (and others) are very, very large companies where not everyone is a superstar. You don't necessarily manage those two organizations the same way.
Funny how they include this line in their memo, along with all the platitudes about "we all need to work hard, together":
>In some major sites thereto [sic] large amount of underutilized workspace and we want to make the best use of our space.