They neglected road maintenance for decades in a climate with hot summers and cold winters so large cracks developed across the roadways every 10 feet. If I stood for every bump, i would never sit down. I bought a suspension seatpost.
It's a great way of smoothing out the smaller bumps, or the rumble of crumbling asphault. That's about what I paid for mine. Unlike a suspension that will suck away my power, once I stand up, the bike is as rigid and connected as ever. When I sit down it's like I'm floating on a pillow a few inches above my speeding bike. I set it per their suggestion but when I have some time I want to see if I can get it tuned in even better for me.