Just quoting this from the legal brief to refer to it:
"From Making Rumours:
On the second pass of the recording of “Oh, Daddy,” Christine stopped playing. “Did you like that tempo or was the first better?” She looked directly into the control room at Richard and me.
Neither of us was prepared to answer her. We were completely focused on trying to get “Oh, Daddy” to sound great, not on doing what producers do.
Instead of keeping quiet, as I usually did, I said, “Why don’t you come in here and listen to both takes? Then you can decide”
“We don’t want to have to come in and listen every time we try out something different,” Christine said firmly. “We want you
guys to start paying attention to tempos and keys and tuning and other important things and help us out here.” Her comments clicked with the band, and Richard and I understood them, too.
“Okay. We get it,” I said. “We’ll start keeping track of that.’”
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If the memoir author is claiming these are the exact words that he and Christine McVie said, aren't those words actual facts?