When I was coaching a youth team (u17) we were woeful at lineouts and half the kids didn't come to practice. But we did have a kid that was 6'6 so I went with a two man lineout and threw it to him every time. It was pretty useless for anything other than gaining possession though.
If you went with a short lineout all the forwards end up standing around the 10 channel and they'd be the ones running at Sualli in the 10 channel. So he'd be running into Itoje or Tuipolotu or whatever. Even if they didn't hit him in the air, they can still contest the kick, which would prevent his forward progress. It might work once or twice, but it'd be hard to get the timing down. And I'd worry he'd get held up after landing.
It'd probably be easier to try and kick to him from 9/10. You could line him up near a ruck, centers, out wide. It certainly seems like he'd have zero trouble out jumping anyone in rugby, but you need to get the timing right. It's like a drop goal where in theory it's easy, but there are lots of ways to screw it up. You need a stable platform, perfect pass from 9 to 10, perfect kick, perfect timing from JS.
If you went with a short lineout all the forwards end up standing around the 10 channel and they'd be the ones running at Sualli in the 10 channel. So he'd be running into Itoje or Tuipolotu or whatever. Even if they didn't hit him in the air, they can still contest the kick, which would prevent his forward progress. It might work once or twice, but it'd be hard to get the timing down. And I'd worry he'd get held up after landing.
It'd probably be easier to try and kick to him from 9/10. You could line him up near a ruck, centers, out wide. It certainly seems like he'd have zero trouble out jumping anyone in rugby, but you need to get the timing right. It's like a drop goal where in theory it's easy, but there are lots of ways to screw it up. You need a stable platform, perfect pass from 9 to 10, perfect kick, perfect timing from JS.