So are Russian Grenadiers, but they they’re not Ottoman so they don’t need to have broken stats for no reason.
Normal unique units have an atypical role with unique drawbacks or are overtuned but held back by other weaknesses in a civ. Unless of course the civ is Ottomans, then every single unit gets to be overtuned without any drawbacks. It’s kinda obscene how Humbaraci outclass normal grens by nearly all metrics: