Some of them just don't get it. A lot of people underestimated how good a play-maker Wade is and that one intangible of his made it a bit easier for LeBron to just set screens, get in position for some easy lob passes, etc. They both scored easy points off of each other because they're both competent play-makers. LeBron is the only competent play-maker on the Cavs. He has no one else who can set easy shots for him to score at a high efficient level like he did in Miami. If the Cavs don't get far in the playoffs, i'd rather see the Cavs try to move Kyrie instead of losing Love and possibly LeBron walkng out again.
Yeah, Kyrie is young, but we've seen enough talented young players who were picked high on the draft, but ended being losers in the league because they could never develop a winning mindset. At the moment, Kyrie is young, but he's in his fourth year and has shown little to no improvement as a player. In their fourth year, LeBron, Wade, Durant, etc, were more advanced and matured. The Cavs can build around, but you can't built around a career- loser until he shows signs that he can win on his own.