We are all on this world for a very short amount of time and the truth of the matter is that you can only be an expert in so many things, and your worldview will always be limited because it is constrained by your own experiences.
This resonates with me - I had something of an epiphany a few weeks ago actually, and you've just expressed the bulk of it quite concisely.
I've always been pretty bright: quick thoughts, complex reasoning and broad general knowledge. But the truth is that anyone who is employed in something specific - software engineering, teaching, management or even parenting - has spent 40 hours a week doing just that, for years, and has developed a situational intelligence that can't be replicated without that broad experience, no matter how wise or clever I may be in other ways. Even if they're "not smart", they've made (and learned from) countless small decisions, navigated countless unforeseen obstacles, and developed a "feel" for what they do that's hard to articulate but often profound. It's not that what I think about the topic is wrong or useless, but it is, as you say, constrained by my experience.
It's a very common human tendency to value what we ourselves know best. Once you realise that nearly everyone you meet has knowledge, instinct or experience that outstrips your own in some area or another, it's actually quite freeing. Instead of feeling the pressure to be the "smart guy" in every room, you can lean into your personal strengths (your experience, as well as the generalised intelligence) while also respecting and leveraging the deep, specialized knowledge of others. It creates opportunities for true collaboration and learning, where different domains and forms of intelligence complement each other.
And of course all of the above is "really obvious, duh!" as my 15-year-old self probably said to my dad. But I think I really grok it now (in the Heinlein sense).
That epiphany was pretty recent, and I'm still trying to learn from it and act on it, but I honestly think it'll help me be a better person, in both emotional affect and in functional productivity. I'm sorry that it took me nearly 40 years to get here.