> There are a bunch of people who can't reproduce the slowness at all, but nearly all downvoted or you have to wade through 100's of comments to get to them.

It's possible that they have certain security features disabled.

> The majority of comments are just dumping on Macs, nothing whatsoever to do with the content of the article, and seem to be blindly assuming it's true.

Welcome to Hacker News…this is common on any discussion on any topic, especially one that many people can understand in some way.