It's true that it's really a shame for Slafkovsky, who was starting to do well and wanting to break out, but now, he finds himself on the 3rd line with Tanner Pearson and Jake Evans.
One can imagine that this will slow his momentum.
There's also this, again raised by Beaudoin:
"Anderson - Dvorak - Gallagher, or how to ensure that plays in the offensive zone will all stagnate..."