It’s pretty clear and easy. The LGBTQIA+ community is telling you that supporting JKs IP is harming the community. If you are an ally, you will take that to heart and not support JK or Hogwarts Legacy. If you choose to support, you aren’t an ally when it doesn’t benefit you.
Source: https://www.buzzfeed.com/mychalthompson/sebastian-croft-hogwarts-legacy-apology