The whole point of the new reddit (and many other sites like Anandtech and Tony Ortega's blog) is to make you click on ads accidentally. Someday the world will wake up and realize this is not just annoying but it is good old fashioned fraud... but it will still take a while.
One advantage of a mobile app over a mobile web site is that you can use the accelerometer and other sensors to predict when somebody is going to click on something and you can trigger a layout shift and... oops!