Microsoft's own fault

JimC: "It's because of the thieves that that padlock and chain weigh more than the pushbike, not because of the cycle manufacturer."

Not only weigh more; cost more than the bike (to the point where it's actually cheaper to leave a bike unlocked and replace it if and when it gets stolen, than to bother locking it up in the first place), require more maintenance than the bike, make it less manoeuvrable in traffic, and positively attract thieves.