That is what they mean by it, but the fact they chose to express it as “not tolerating discrimination” as opposed to “not discriminating” or “not engaging in discrimination” really highlights that they are engaging in the social contract of tolerance with entities that are explicitly breaking said contract. This kind of weak willed “inclusion” for the sake of virtue signalling/profit is part of what makes fascists think that the paradox of tolerance is some killer argument against empathy

We do not tolerate any form of discrimination apparently means We provide hospitality to the worst perpetrators of discrimination