Followed closely by the mid/late 20-somethings.

Passive-aggressive, smarmy, sarcastic, out-of-shape but "goes to the gym," opinionated about everything subjective, have no opinion on anything objective. Their life strategy seems like trying to be the biggest sheep in the herd.

The new parents in their late 30s are especially annoying and a clear example of this arrogance. They don't know shit. Less than a 24yo mother of two, yet they talk non-stop about kid stuff from a place of faux-wisdom.

Many of the men here in this demographic are especially insufferable (every example I wrote above was based on a few of the dudes here). My guess is midlife crisis.