I agree with most of those, but what's with the first two? How are the amounts/divisibility an issue? It divides down to tiny levels and there's enough. Is it

I agree with most of those, but what's with the first two? How are the amounts/divisibility an issue? It divides down to tiny levels and there's enough. Is it basically the idea that 1 bitcoin is large and we should have used a different base unit?