A promotion of someone else quickly becomes favoritism, and a demotion or reassignment (or rescheduling) quickly becomes discrimination, even if those decisions were made on a different basis.
A lot of these kinds of public outcries are people of a minority group misunderstanding why some decision was made. Of course there is discrimination, but not as much as some people believe. Most people, in my experience, just dont think too much about skin color, religion, sexuality, or anything, of their employees, speakers, and so on.
As you said, a huge amount of the population, especially in tech, are LGBTQ+ or similar. Its incredibly difficult to do anything that really discriminates, because its not a minority group anymore. Even a very large number of "white male" tech people are LGBT, they just may not care to tell you.
