They are basically the embodiment of the fact that sites and organizations don't matter, but individuals do. I think the overwhelming majority of everything on Ars is garbage. But on the other hand they also run Eric Berger's space column [1] which is certainly one of the best ones out there. So don't ignore those names on tops of articles. If you find something informative, well sourced, and so on - there's a good chance most their other writing is of a similar standard.

[1] - https://arstechnica.com/author/ericberger/