The effect of these measurements is visible in significant (temporary) "increase" of adv. bw visible on metrics:
https://metrics.torproject.org/bandwidth.html?start=2021-04-20&end=2021-...
and on the OrNetStats per operator graphs, this is a good example:
https://nusenu.github.io/OrNetStats/emeraldonion.org.html https://nusenu.github.io/OrNetStats/#proven-operator-domains