Well ok not always so dudely but imo they had good reasons
And as a leading figure in the SDS the dude's support is historically documented.
https://www.netflix.com/title/80049128
SDS shtuff
http://www.markrudd.com/?sds-and-weather/the-death-of-sds.html
https://www.thenation.com/article/reflections-sds-black-power-war-and-racism-40-years-later/