A few minutes ago, I came across an example of how a blogger can set the sort of tone most of us would prefer not to see. And since she previously criticized me for being too general (a fair criticism of this post), I'm sure she will not mind being used as such an example.
After someone left a comment defining freethought, here's what Ophelia Benson (Butterflies & Wheels) had to say:

What sort of tone do you suppose this sets?