There was a lively thread on NANOG about the FCC and FAA conflict over G5 spectrum and altimeters when it all came to a head early this year. ProPublica published an investigative report on it last week,

https://www.propublica.org/article/fcc-faa-5g-planes-trump-biden

Whaddya know. Plenty of blame to go around. Government regulative bodies captured by the industries they’re supposed to regulate. The usual stuff.