Yep, most A/B tests won't give results. But the ones that do are worth it (provided they were quick and easy to setup). There's always an opportunity and design

Yep, most A/B tests won't give results. But the ones that do are worth it (provided they were quick and easy to setup). There's always an opportunity and design cost involved with A/B testing, but it is sort of ironical that you can't be judgmental about which A/B tests to run, because if you already know which ones are going to work, why A/B test in the first place?