Earlier quoted context omitted.
> No you are not reading this correctly Okay, so can you help me interpret that correctly, then? What other conclusion should I draw from this?
"Or" means at least one of multiple alternatives. Alteratives contrast with each other, they differ. Of course, the original author could be repeating the same thing for emphasis, but more likely they are saying two different things. Since the second thing is discrimination, the first thing, "DEI", must necessarily not be discrimination. If they merely wanted you to not discriminate, they could have just said "follow…
The explicit mention of DEI is a way of saying "yes, that means ALL kinds of discrimination, including the kinds you may believe are morally correct".