If you look at Star Trek Continues, you see they introduced a new character, Dr. Elise McKennah as ship's counselor. She's worked in almost as tightly as the big 3. She could be an example of what a TOS version of Guinian might have been like.
Firstly Michelle Specht did a great job as McKenna. But secondly she was part of what undermined STC to feel more authentic.
Vic Mignogna once claimed he hoped STC would make fans feel it was 1969 again, and much of the production did strive for that sensibility, but then they went out of their way to inject things and do stories that never would have happened while TOS was in production. Repeated callouts to productions that didn’t yet exist was one thing. Writing stories that felt more like TNG was another. Injecting current terminology and language that didn’t yet exist (an admittedly difficult one to avoid). And finally vfx that TOS wouldn’t have done even if technically possible.
It all comes down to perspective. You cannot recreate a 1960’s show with a predominantly 21st century perspective and expect it to feel like an authentic time capsule. A lot of what STC did worked, but too often they did things that undermined what good they did. Writing TOS like it was TNG ruins the suspension of disbelief.
I might understand the impulse to make TOS more appealing to TNG/DS9/VOY/ENT fans, but that presupposes there was something wrong with TOS in the first place. There wasn’t. And the evidence is in the very fact that without TOS there would be nothing else that followed.
So no, there would have been no Guinan, Quark or Neelix. At a stretch McCoy filled that role to a limited extent. But ultimately the determining factor was the nature of the show itself, but more that society wasn’t as touchy/feely as it would become later, as it is today. TOS has its share of examples of characters supporting one another emotionally in some manner or other but it wasn’t going to show characters being coddled or nannied emotionally.
I’ll close with a more real world example. Decades ago my older brother asked me if it bothered me that our father never said “I love you” to us. With hardly a beat I said no, it didn’t bother me at all. I replied it didn’t bother me because I knew without doubt Dad loved us. His love was there in his words and actions. Whenever he called me up just to talk about hockey, cars or whatever. Whenever he asked me to do something with him. Whenever we did something together, Whenever he might ask my opinion. Whenever he teased me or we laughed together. And whenever I needed help he was wordlessly there. Dad’s love was there on display with everything he did and I didn’t need to be constantly reassured about it.
There are two heroes in my world: Captain James T. Kirk and my father. And despite the differences there was also a lot of commonality between them. Certainly both were men of guts, honour and integrity. And deep feeling.
The world of the 1960s was very different than the world of today. In some ways today is better, but in others it’s not. But thats why you wouldn’t see characters like Guinan, Quark or Neelix in TOS.
