Good points, as it were, in 10 years when your "Falcon Wing Door" breaks because it's got a fraction the engineering time and lessons learned over 100 years of car door mechanisms you're going to be envious of people with those boring old regular doors.
In 10 years when your blockchain is no longer supported by the developers and your new team has no idea how to manage it, it's showing it's age, it's breaking, you're going to be envious of people with those boring old databases.