What's that supposed to mean? I am just agreeing with the previous comment... early stage Facebook had a mentality in the spirit of the original article, and as they grew had to stop it.

That's all. Just agreeing.

So you're suggesting a progression rather than one being vastly superior? I took it as the latter.

Sure, we all know the trick to startup success. Sprint as fast as you can for that cliff and hope the cliff moves before you get there.

Yes, sorry my bad. Edited

The >> operator indicates that moving fast, and breaking things, is much better than moving slowly with stable infrastructure.

What do you mean with ">>"? "much greater than" or "becomes"?

Maybe it was read as:

Move fast and break things > Move fast with stable infra