Why?, it is a chick magnet. For every twenty geezers, one girl shows up.
It is an old man's toy. I can go out to my barn, take it apart, put it back together and go for a drive within a 24 hour period. With a little knowledge, it never breaks down, it just limps home. They are durable! Back in the day when they were no longer the family vehicle, the farmers turned them into tractors. Picture your "A" pulling a plow the next time your tour guide mistakingly turns down a dirt road and your mad because it might hurt your car.
When those high dollar car collectors ask, "Why the model A?" I say, "Just follow me", and I smile.
Lastly, the engineers like to talk about them and the grease monkeys love to work on them and it involves all in between.