Mavs traded 2 players + draft pick for Kyrie with the idea to re-sign him. Doncic got help he didn't need and results were clear - Mavs slumped and missed the playoffs. Two big egos, one of them a proven diva in the locker room.
Luka isn't diva in locker room, not yet.
Unless you mean Kyrie, and he is one of the most popular players among his peers and widely considered a hard working one. Kyrie is more of Alves (without criminal case) as he is a guy who is outspoken to the public without filter or having deep thoughts before what he says. There are many articles about it, about how respected he is among his teammates.
Luka actually needs a PG to take the ball of his hand and Kyrie is the ultimate second option PG of this era tbh.
But Mavs traded their defense and assets for it, and so far they only drafted some defenders but didn't add anyone in FA or trade market to improve it.
Barring a trade that move the needle, we will suck till mid-season and fire Kidd.
If we gey a good coach, make a solid move by trade deadline, we will be back on track.