Maybe. But that's not what I understood from reading a mag article back at the time. -- I just did a little wiki research to cross-check my feebler memory - To paraphrase the wiki page on "Owner of a Lonely Heart", Trevor Ravin had 4 track demo'd - and very well - Owner, amongst others used on the album - in 1980 - 2 years before joining Yes. His demo material was later released on his album "90214" in 2003.
Trevor Rabin clears the air on Yes' 'Owner of a Lonely Heart': 'I've bitten my lip for a long time' | Something Else!
this link is worth the read and listen (to the youtube video of the original 1980 demo)
Rabin had been shopping his own music, some of which became 90125, for some time prior to getting involved with the YES camp. -- This is why I view the album as "kinda sorta" YES.
At the time he joined, they were in need of a jolt in the current 80s music scene, considering where the mainstream had gone, leaving many '70s acts in conflict as seeming retro dinosaurs. The new "digital" technology (for better and worse) was changing the way music sounded and was performed, recorded and "assembled" (sequencers, midi, digital synthesis and sampling, electronic drums, synth bass, etc.). Rabin was a little younger and a little more current and mod, plus he had a very marketable "look".
My issue, sort of, is that, he was the new guy, a relative unknown, who walked in off Music Biz St. and affected so much power and influence in a beloved and stalwart band of already very creative and experienced people. -- And indeed, Rabin was brought in as a new front guy (apparently not for YES, but a new offshoot called Cinema), as Jon Anderson had been exploring and executing solo work, alone and in tandem with Vangelis. While Jon wasn't (to my understanding) "out' of YES, Rabin coming in with so much of his music and ideological ways, quite different from the ethereal musings of Anderson, as well as Rabin handling all the lead vocals on his own pre-written songs, it very much seemed like an honorary position - since it was YES - to give Jon some leeway for additional ideas after the fact.
Check out the youtube video of the "Owner of" demo, even Squire's bass lines came from it. YES typically created material from Anderson, Howe and Squire. This was Rabin, almost seemingly letting those guys have some freedom on his material in context of them becoming his back up band.
I know that's over-stated and an exaggeration - sort of - but in some 90125 instances, it's not that far from true. As a pre-80s YES fan, it kinda was ahead scratcher to me. Yet, all of this said - IT'S STILL GOOD MUSIC well written, well arranged and well played - and heck, who among us wouldn't have loved to hear YES give their treatment to a song that we wrote?
In the end, it was a mutually beneficial thing for both Rabin and YES across the board.