Okay so Honda and Omori were not fans of Tanaka's handling of Godzilla in the 70s. I can understand that with Honda being polite about it. But what about Ifukube? Were they saying that Ifukube liked it or he was like Omori and vocal about it? Then again he did score music for Super Mechagodzilla and Destroyah or maybe is feelings were complicated?A less serious version, but still there. After The Return of Godzilla, Tomoyuki Tanaka wanted a direct sequel to be made. However after hearing King Kong Lives bombing, he was cautious on how the series would be handled. Kazuki Omori, who became director of the film, had a Teeth-Clenched Teamwork relationship with him (he blamed Tanaka for the quality of the series in the 70's like Ishiro Honda did, but Honda is more respectful about it. Akira Ifukube on the other hand...). They both settled on making a contest with five entries, one mentioned below, and Omori then decided to modify the screenplay (which took 3 years) until the film became what it is.
I really don't know all the stuff behind the scenes and lot of it is rather mixed but I'm curious now.