It's not really that people wanted the doorbell to be made "smart"; it's that advances in consumer electronics eventually enabled the existence of a security/su

It's not really that people wanted the doorbell to be made "smart"; it's that advances in consumer electronics eventually enabled the existence of a security/surveillance camera that can be easily deployed to a high-priority location (your entrance) using the ~20V power supply most homes already have wired into the perfect location for it.