Definitely not random, in any case.
> Also, even if "balanced" censorship was the desired goal,
Nobody claimed that. You merely stated that "I don't see a single left-wing new source in there." and I offered a counter-point.
> having one left-wing source vs a ton of right-wing one doesn't achieve that
I didn't do an exhaustive search for "left-wing domains" that are banned to present you a complete list, this was attempt 1 of 1.
Following your model, I could claim that 100% of left-wing domains are banned, but I won't.