Both shows are at the top but Deadwood’s dialogue has a deliberate rhythm to it that is unmatched. If you get on it’s wave length you’re in for a treat. I watch it at least once a year and never grow tired of it.
David Milch the creator details his thought process on the rhythm of the dialogue and the push back he got with use of obscenity here: youtu.be/F2qk7W8_KLE?si=LxeRNs2N_-kzKiGb&t=1196 (20:01) Once he’s done answering that question (around 29:00) i’d stop watching if you haven’t seen Deadwood as there are spoilers later in the talk.