WCS just doesn't get it. He absolutely refuses to accept the type of role his skillset is best suited for and is obsessed with trying to be something he isn't. He wants to be some offensive superstar big like KAT or Porzingis(he compared his game to them last season) when that simply isn't the player he is. He should be a beast defensively but there is just no desire on that end of the floor by him because he's so focused on trying to score points.
Giles already looks far more active on the defensive end of the floor. He's also got more natural skill on the offensive end. I'm with you, I don't think it's long until Giles starts playing over him. He might be a better option than WCS already. The only caution here is that Giles' passion probably needs to be reigned in a bit. He's been flying all over the place on defense so far in SL but he's been racking up a lot of fouls in the process. Could be a thing where, in his rookie season, he may struggle with foul trouble which will limit his minutes. Minutes may be limited anyway too considering it's his first full season after rehabbing all those knee injuries, though nobody in the Kings org has yet to say whether that'll be the case with Giles this season