“Linux” is not an entity with well defined goals, it’s a community that mostly does whatever it wants. That has the fortunate side effect of producing labors of love in software, that prove really useful in the real world. But it also ignores things like user experience, which affect things like the desktop the most.
On Linux the user is a second-class citizen, because worth in the community is determined by how much a person contributes (in code, testing, artwork, documentation etc.)
The Linux mindset is best expressed by a quote from Simon Travaglia (which I paraphrase because I don’t remember it verbatim): “We’re tasked with the well-being of the servers, not the users. They’re lucky we even let them log in since users technically upset the smooth operation of the servers.”