It was mostly very early on in TNG's run that scenes that like (kinda cheesy) Wesley clip occurred... when Gene had more influence over the writing, and had the characters represent his idealized future humanity... for more insight into that, read "James T. Kirk's" (I suspect written by Gene himself) introduction to the novelization of Star Trek: The Motion Picture.
As his influence over the series waned, the characters became a little more "contemporized" and relatable while still retaining the general enlightened mindset typical to Federation citizens.
Gene Roddenberry was more futuristic, and he created all the Original Series and Next Generation characters. He also hired real, hard-core sci-fi writers like Gene L. Coon. Finally, Roddenberry was a genius on the same level as Carl Sagan and Isaac Asimov.
I'm not sure if you're following what TM2-Megatron and I are saying, but you're not showing any sign of it. Just knock off the hero worship, nothing is ever as simple as you're trying to make it. A lot of people contributed to what Star Trek was, from the very start.Remove Gene Roddenberry and there is no Star Trek. Add Gene Roddenberry and there is Star Trek.
Remove George Lucas and there is no Star Wars. Add George Lucas and there is Star Wars.
There you have your controlled experiment with Roddenberry as a known variable you can add and remove.
...maybe they also, I dunno, like the taste of it? I mean, that's like saying "who would even want to eat pizza in 25th century, when they should have tastless protein bars for every meal by then?"Also, it makes no sense that they would still be dependent on coffee and Early Grey tea in the case of Picard in the 25th century. That’s primitive.