He posted it on the company’s intranet. Might have violated their TOS. Not really a gay/religion issue, IMHO. But these days you have to write a spicy headline to get the clicks!
I believe the broader point is about the fact that in this case Ikea is not only condoning/protecting the rights of the LGBTQ+ crowd, but they are also promoting them above others in the name of diversity. What is even more insulting to the intelligence of any sane person is; they are doing this while simultaneously suppressing the rights of individuals who have a contrary opinion or worldview (so much for diversity of thought or background or beliefs).