I don't consider Lucas a point guard really......
I agree with Machado, and you are right, it is the weakest spot on the team, but wow, imagine with Burke, if Machado makes the team and stays on next season, and Ian proves to be valuable, you have two second year point guards, a second year combo guard in Clark and a first year Neto coming in. That.... is a young pg position for the foreseeable future.
(notes: Yeah, Clark is really a 2 that can sub at 1 in a pinch, and Burks is probably more of a point guard than Clark is, but that doesn't help my argument, so obviously I wouldn't want to mention it.)