I believe satoshi left us with the 1MB size because he didn't know the answer

[Joseph Woolfridge]

The correctness of a block size in the future is essentially unknowable because it is market driven. Not only market driven in the sense of the amount of users and what they are willing to pay, but also the realistic costs involved and how they change over time.

I think BU is great because it allows what could become an industry standard. If all miners came together every 6 months and decided a block size that is in everyone's interests that is something core cannot compete with given their methodology (of requiring 1+ years for scary hard forks).

I believe the industry standard for block size should be a ratio of the price of a transaction to the cost of running a full node. What ratio? I'm not sure yet.

 

[freetrader]

Good point, and this uncertainty has taken a long time to be digested. Slowly, the idea of letting the market drive these parameters is going to take hold. Bitcoin does not exist in a vacuum.

 

[torusJKL]

I don't think the 1MB limit was on his mind when you left the project.
Now he can't take a side. It is a loose-loose situation for him.

 

[AdrianX]

It was a Test.

 

[kcfnrybak]

equipment and network limitations at that time.