I realise my conservative attitude is somehwat contradictory given that many apartment blocks have an electronic entry system to the building for guests who ring the doorbell/press the buzzer. And yet, a mechanical lock for my front door still feels more re-assuring to me than an electronic one. But as you say, we're in the "early adopter" phase and perhaps it's just a matter of time before electromechanical locks become commonplace and accepted.