there's no guarantee a government regulating body wouldn't be politically biased (in this case the FCC) when examining a case.
it looks to me that Trump made the DoJ its leash dog, what would be so hard to make the FCC the same (if it's not already)
There are many people that believe Twitter is biased in favor of conservatives simply because it allows some conservatives to speak at all...
Tankies, though, I don't know whether they tend to get banned.