In the early days of mass commercial computing -- minis and mainframes -- there was a lot of research into workstation ergonomics. Sensible countries even wrote

In the early days of mass commercial computing -- minis and mainframes -- there was a lot of research into workstation ergonomics. Sensible countries even wrote recommendations into law, to protect the health of their workers. Needless to say, long-time programming on a laptop breaks all the rules, and is highly likely to result in long-term physical pain. Sometimes it's disabling. Why do people do it?