Using familiar terms, you conflate causality and correlation in this offhand tweet. CRT does the hard work of identifying causal structures that lead to systemic inequities… you compare it with a non-rigorous opinion piece that treat root causes as personal opinions.
We must remember that the holocaust was preceded by a successful program of "critical race theory". In April, 1938, Nobel Prize winner J. Stark explained in the British weekly "Nature" why Jewish professors at German universities must be replaced by "under-represented" Germans.
While it’s fun to banter about what constitutes a good lab, the part of this that is uncomfortable to discuss is that leaving a bad lab is in many cases near impossible. Few universities offer much support and PIs can and do retaliate, in some cases ending careers.