Depends on your target audience, but if it's techies, they may not even be seeing any of your ads because of the ad blockers. And those that don't use ad blocke

Depends on your target audience, but if it's techies, they may not even be seeing any of your ads because of the ad blockers. And those that don't use ad blockers aren't likely to click on G and FB ads (on reddit - it depends on the ad). So what you do see if some random people seeping through, which would explain the bounce rate.