I think the problem you’ve described in this one sentence could take an entire library of books to be properly analyzed. The root problem today is that intelligence is not as widespread as it should be. In my experience, the more intelligent one is, the more they are pushed outside the clique of “normal”.
There does appear to be a few exceptions to this rule, though they have been a long time in coming. Specifically, I’m thinking about programmers and “geeks” more broadly.
In the 80s and perhaps even in the 90s, it wasn’t cool to be a programmer (or, said differently, an above average intelligent person). I’m sure there were exceptions that prove the rule during this time period and I don’t mean retroactively. It wasn’t until the dot-com bubble and bust that being smart enough (or, at least, being introverted enough) to obtain the skills and thought processes necessary to launch a successful startup was view by John Q. Public as admirable or desirable instead of odd or not one of us.
Extending this idea, even today after geekdom has become acceptable in public, one is only allowed to be a geek if others are sharing in that person’s success. Otherwise, no one cares. I mean, really, when was the last time that an historian was thought to be sexy by a large segment of the population?
The best one can do to find deep, intelligent, recurring conversation is find other intelligent people who have gotten over their baggage of being bullied and are willing to share what they know with the rest of the world.