The European Union’s new Digital Markets Act (DMA) is a complex, many-legged beast, but at root, it is a regulation that aims to make it easier for the public to control the technology they use and rely on. One DMA rule forces the powerful “gatekeeper” tech companies to allow third-party app stores...
Well it may or may not be wrong. One of the measures would be, can Reddit afford the price if it also had pay for the same access? If the answer is no, then it might be considered preferential treatment to their own app. However ianal so there could be a carve out for that.