I said Ariza's ceiling and floor may be a little higher than Harkless but I don't think it matters. If you compare Ariza's first 10 game with Portland to Mo's first season with Portland their numbers are pretty similar. And Ariza started off really hot; he's at career shooting highs in his short Blazer stint and his norms indicate those highs are unsustainable. Besides that, two of those 3 Twenty point games you cite for Ariza came in his first 3 games as a Blazer. In his last 7 games he's averaging 7 points and 2 rebounds. He's had three 21 point games but here's what he did immediately after: 21>7; 21>2; 21>7. High variance. I'd much rather have a guy averaging 13>8 as the variance rather than 21>5. But it's probably not a big issue
the variance is pretty unpredictable because it is only a ten game sample size mo never averaged more than 10.0 pts/game ever in his carreer nor more than 4.5 rebs./game over the last 5 seasons tough: ariza on 747makes/2009 attempts is shooting 37.2% from the 3. mo on 216makes/645 attempts shot 33.5% from distance. personally i will take ariza's obvious willingness to take and make three's over mo's reluctance.
Ariza is better than Anthony. Ariza finishes plays. Anthony has moves, but the Stotts system doesn't enable them without fancy dribbling, so Anthony either misses or has the ball stolen. Both are better than Zach Collins, who is Skal-quality. Collins and Skal are so thin, they have to out-IQ opponents, but are too inexperienced to have that BBIQ. Ariza is our best forward, so keep him.
Ariza won't keep shooting 50%, he is more of a 42-43 guy and last seasons he has been even below 40%. So comparing his offensive output to Moe's right now won't really lead anywhere. And Moe was not playing that many minutes. I'm not saying he is not better than Moe, but we didn't strike gold with Ariza. He has already lost steps and he will only get older.
