This is a deep fallacy, and why the "halo effect" works.
The institutions which made those gains no longer exist, and over the last decade or two have had their name stolen by shallow ideologues. Their downfall was much longer, but it's clear that in many cases, adherence to "politically correct" dogma has replaced genuine inquiry and the standards to which these institutions used to adhere.
Some of which, while we're on the topic of Russian political interference (as a society), was originally sponsored disruption by the USSR now spawning child political movements in the US.