Of all the advanced learning disciplines, education is far and away the least rigorous. Think new math, core curriculum. whole word reading, etc. These knuckleheads took something that worked well and bastardized it until it's become an abomination.
From the most recent funding request: Provides $815 million for the Institute of Education Sciences, a $7.9 million increase, to conduct, provide and share research and scientific evidence in education, including expanding research and development to support practices in teaching and learning (i.e., DEI bullshit), and to collect data on the real time impacts of the COVID-19 pandemic on K-12 education