"UI critiques of Dwarf Fortress are incredibly valid." Yes, and no one has ever marketed the game as anything that's Ready For The Prime Time, possessed of a decent UI, or anything other than something that's really fun and interesting despite being an early development version of someone's cool pet project.

You can come back and complain some more in earnest when you've paid money for it. :)

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Postscript: If some friend, roommate, frenemy, or random dude on the Internet has, in fact, marketed the game as something that's ready for the prime time or possessed of a decent UI, they're putting you on. :P