This contains a paradox.

The more things you see, the better you understand what your opportunity cost is.
"The people who have a lot of opportunities tend to make better investments than people that don’t have a lot of opportunities."
These filters are absolutely crucial in protecting Buffett's most valuable asset: his time. They eliminate likely dead-ends early on, at the likely cost of some false positives.
"98% of the conversations we can end in the middle of somebody’s first sentence. It works. It’s efficient.
We don’t want to listen to stories all day. There’s other things to do with your time."