No, it wouldn't, because a bunch of them would come home alive with combat experience under their belt, which means instead of 1 Dallas Sniper you get 50. That, or you accept even more race cucking in every day life, and even then, you'd still get spree killers.
If you look at the history of the (((civil rights))) movement it becomes obvious that the US military was and will always be the #1 platform for black acceptance and women's rights.
One of the #1 priorities of the Writers' War Board during World War II was making sure that content creators like comic book writers and artists portrayed niggers in a positive light, and like every other "temporary" World War II era government program, it has probably persisted in some form to the present day.
Dwight D. Eisenhower used the ARMY to enforce school busing in 1957, a decade before MLK and all his honeyed words.
Rosie the Riveter, women's suffrage getting its legs soon after World War I let women run the country for several years, I could go on.