Yes humans are getting more clever, and I find it quite easy to see why. As times are changing, certain personality traits become more preferable, advantageous

Yes humans are getting more clever, and I find it quite easy to see why. As times are changing, certain personality traits become more preferable, advantageous and then attractive. More than ever is it attractive to be intelligent. We celebrate Intelligence like never before. Intelligence is more likely to lead to work/money/power, and people are more likely to seek mates that are intelligent. Any trait that is preferable at the time, is more likely to lead to offsprings. Ask your local sperm bank. I'm not saying I think it's the only, or necessarily the most important trait (Hitler was likely quite intelligent), but it is increasingly important, and therefore increasingly likely to affect the human evolution. Human evolution is constantly changing us, and I'd say it makes little to no sense, to argue that our intelligence specifically, is not changing with it (for better or worse). But with our short lifespan, it might not change fast enough for some to recognize it.