Thunderf00t and TheAmazingAtheist were banned because they have youtube videos well known for anti-feminism and men's rights rants (TheAmazingAtheist frequently chatted on men's rights on reddit and tried to trigger adverse reactions on a rape victim) - Since Freethoughtblogs (which I don't read very much) seems to be all for equality, it seems more than obvious that these two people should be banned from the group because they conflict with their interests
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you