I doubt Haney had the final say. Murray Boltinoff was the editor of B&B and I think he tended to be the one who decided who teamed up with Batman. He was also a
control freak racist.
DC clearly had its fair share of vindictive and territorial editors in that era.
Jim Shooter relays (in BACK ISSUE #34, June 2009) the story of his brief second stint at DC from about 1974-1976, freelancing at both Marvel and DC, before moving completely to more receptive ground, working exclusively at Marvel.
Mort Weisinger, who Shooter had worked for from 1966-1971 had retired, and Murray Boltinoff had taken over as editor of SUPERBOY/LEGION, and by Shooter's account was one frustrating editor to work for, but it was Julius Schwartz who had it in for Shooter since the first day, because of Schwartz's feud with Infantino, and since Shooter was introduced to Schwartz by Infantino, Schwartz (who apparently hated Infantino) perceived Shooter as Infantino's boy, and did his damnedest to, successfully, leverage Shooter out.
