Earlier quoted context omitted.
It's not a question of liking moats or not. Nobody has found any other routes to scale quickly. The moat is fundamental to producing the kind of scaling we see today.
But how many moats there could be in world (or in any given market) ? Furthermore which should ask on which side of the moat are we and if it's good for us to be there. There was a post yesterday which fundamentally is about this issue https://news.ycombinator.com/item?id=17642551
The pressure on them to do so is massive. And it's the easiest thing for them to do. So they do it.
Ofcourse things constantly collapse. Ask Genghis Khan, the East India Company etc etc And after collapse everyone stands around like Alan Greenspan saying wtf happened?