> full blown propaganda paid for by hostile (to the US at least) state sponsored news agencies
twitter is available freely on the Internet in any country that doesn't block it. with that in mind it's extremely difficult to remain "neutral" or be expected to be the arbiter of truth.
there are some obvious (easy) ways to implement constraints against state-affiliated propaganda outlets but with the above in mind what is "propaganda" to a European audience might just be news in a FVEY country. facebook has the same problem and I think it's not solvable in a "fair" way.
Say if they really went after anything that is "propaganda" should they also be pointing out that Bellingcat is having very strong ties with Atlantic Council (and collaborates with GCHQ), or should @NatSecGeek be called out for only doxing non-US organizations and individuals? There simply are too many small players that participate in InfoOps and their alignment isn't always as straight forward.
note: I personally think both bellingcat/NatSecGeek do excellent work but none of them are unbiased (or unaffiliated) which means they will at times end up as useful idiots (whether it suits them or not).