i think everyone is quick to jump ship with Fox out of excitement for Harper. and yes, im excited for Harper too. he is a #1 pick caliber prospect... we aren't really used to that other than wemby... and many are kind of thinking of him as yet another prospect along the lines of vassell, castle, sochan... he really projects to be a different tier of player.
with that said, if this team has aspirations to make a push for the playoffs, leaning on a rookie lead guard is probably not the path to take, even if he is damn good. i also like having him off the bench to help ensure he has all the non-Fox PG minutes all to himself, so he doesnt have to play off-ball all the time. and i think given his size and ability he can play the 2 just fine, especially of the catch and shoot figures hold up. like, is he really much worse than Castle off-ball? castle can probably screen better and is a better lob player, but Harper can shoot a bit better than Castle (from what we've seen) and he's plenty adept at beating closeouts and doing drive-and-kick stuff from those spots. and his defense has looked solid so far
let him be the backup PG and play some 2 alongside Fox, and then just see how many minutes he earns
people are also feeling iffy about Fox because the results last year werent great post-trade. but it was a midseason trade, he had a notable injury on his shooting hand, was put in a position where he was starting alongside Chris Paul (not ideal for either), and barely played with Wemby. its a bummer that he has missed camp/preseason stuff but i think people will be pleasantly surprised with Fox this year. he's 27 and really just getting into what should be his prime, and like Tony, he has also developed a nice midrange game to help his game age once he loses some burst past 30