The base iPad is a good tablet so I think it works well as an analogue to the Civic.Yes, I see your analogy and point of view on this. I was using the same analogy to express my opinion that the differences are not worth the cost. In my case, the luxuries provided by the high end car don't do anything for me. The same as with the Pro.
I'd also add that I would not use a Civic as an example of a beater car. It's actually quite a nice, high quality, efficient car that does everything the Cadillac does for me, at half the cost. The same with the regular iPad.
So I agree that most people don't really need a Pro but that some actually do for specific reasons.
Beater tablet, I think would be the Amazon Fires for $30-100.