Poor phrasing on my part. I mean decisions which weren't obviously correct beforehand.

I certainly didn't grok AWS for way too long.

And there was plenty of concern trolling about free shipping, eg "how long can they sustain this loss leader?!". Very long when you have free capital, certainly more than anyone else. It fortuitously parlayed into amazing customer retention and upselling. What Prof G (Scott Galloway) has coined the rundle (recurring revenue bundle). Proved so effective, in fact, that everyone's now doing subscriptions for everything.