Technically inclined people will probably be better at spatially oriented tasks than the average person. Men also tend to do better than women in those and the slashdot demographic is hardly divided 50-50 there. Combine these two and the poll results might well be close to true.
milsoRgen noted a story about Namco Bandai is shuttering between 50 and 60 arcades in Japan and blaming the success of the Wii for the closures. "A lot of the types of games that people played at an arcade can now be done at home," said company spokesman Yuji Machida. To be fair they also blame the high cost of gasoline as well.
Abloy is used in practically every single door with a lock here in Finland. Most serious padlocks are Abloy too.