Incorrect. They never said that about stolen bases. Analytics discussed what success rates impact runs scoring. Now they did at one point recommend minimizing stealing bases if you are maximizing launch angle/exit velocity, because the increase in home runs should decrease the need for stolen bases. But that’s not the same thing.
Anyway, from 2018, there is this:
https://batflipsandnerds.com/2018/11...e-stolen-base/