The difference between Hutton and Juolevi is that Hutton played in a man's body, whereas Juolevi is still an 18 year old kid. Meaning Hutton, although still needing to put on muscle, has most if not all his body structures fully developed. Juolevi, on the other hand, still has his body structures developing. Defencemen are prone to hits despite their playstyle. Some get hit more than others. I wouldn't want my future stud defenseman getting eaten alive in the corners and developing recurring back or shoulder issues later on in his career. Especially out in here in the Pacific Division where we face Lucic, Kassian, Brown, King, Ferland (is he still with Calgary?), Getzlaf, Kesler, Stewart. etc. every so often?
If he does well at camp, then reward him with max 9 NHL games, professional-level training and coaching, and NHL salary. Give him a taste so he gets even hungrier, but also limit the amount of risk you subject him to.
Plays elusve among junior aged players, who most likely do not play at the NHL speed and pace. He could very well take some hits as he starts out, as he adjusts to the pro speed and pace.