[Schwan]

How is it a personal attack?

Aren't comments here to be able to show/tell my own opinion on a article/blog/whatever?

I'm really not sure what exactly is an attack.

Stating an opinion and being open for discussions.

[dang]

You're welcome to share your view of the underlying topic or interesting questions, but please don't frame it as a supercilious analysis of the author. That's cheap, and a step into nastiness.