Couple recent discussions I bookmarked, 2 months and 3 months ago respectively:

https://news.ycombinator.com/item?id=29609388 - 151 comments

https://news.ycombinator.com/item?id=29014279 - 102 comments

I love exa! Been using it exclusively (with ls as an alias) for about 6 months now and not looking back. Wonderful tool.