But even then, that was never the intent with TOS. Right off the bat, in the very first episode we know space pimps are a thing and our heroic Captain is actually seriously considering becoming one. And when he voices that thought, the response he gets is "nah, that's not the life for you" rather than any sort of condemnation of the idea. Go a little further in the first season and we find out humans conquered Vulcan. Even in the second season when the Federation was established within the narrative, it wasn't a happy union as it is stated in Journey to Babel half the Federation is ready to go to war with the other half.
Now I can already see the arguments of "early days weirdness" or whatever, and that might even be true to a certain extent. But the point remains that at no point when TOS was in production did anyone involved with it ever consider it to be taking place in a utopian world. Not even Gene Roddenberry Himself. As previously stated, TOS regularly spoke out against utopia as something to avoid since it could only lead to stagnation. TNG was the one which decided utopia is okay, and even that didn't last. Just in the first season alone, the one where Roddenberry had the most influence to peddle Gene's Vision, we learn a human colony which collapsed into complete anarchy ruled by rape gangs. To say nothing of Berman's other 24th century shows, DS9 regularly deconstructing utopia and Voyager using one of those deconstructions in its core premise, even if it did end up being famously ignored as the series went on. Talking about the Maquis, in case anyone hadn't figured that out.