[kriro]

The counterargument would be: in the long run, random positive changes in clicks don't pay the bills. Systemic changes do.

[raverbashing]

Yes and you don't get systemic change with A/B testing

I find it funny when some people think A/B (or MAB) testing will solve major usability problems

You can definitely try Genetic Programming your website to conversion, it's probably going to be fun to watch