They tended to be a lot more subtle and less preachy about it than the ones of the last ~10 years that hit you over the head with it with a sledgehammer.
Come now, Feige said it himself :"Here's the white guy, let me show you how power works." as a reason to cut him out because it would be bad optics for a man to be mentoring a women in the current year.
You also seem to be implying that Wanda isn't a strong enough developed character after all these movies and series to share a screen the with Dr. Strange in an series episode.
Are you implying they were actively keeping minorities out of stories before Feige showed up?
He was more concerned with changing race and gender before even having found a director.
Marvel Studios boss Kevin Feige recently addressed why the upcoming Eternals movie decided to race and gender swap most of the characters from their origins in the comics.
boundingintocomics.com