Weird. In Canada, we had the show Trailer Park Boys on TV over a decade ago, which had copious profanity throughout, and nothing got censored, and it was broadcast at an earlier time than The Expanse (TPB aired 9PM Eastern, as opposed to The Expanse's 10PM).Everything but the F-word, these days. That's still the big no-no. But it wasn't that long ago that the S-word was bleeped on cable too, and these days it isn't. I expect the censors will just give up trying before much longer.
Interestingly enough, when Trailer Park Boys eventually got aired in the afternoons, the only words that were censored were fuck and cock. Which on that show is still something like 25% of the dialogue.