After playing around as and playing against SH, I think there are a few abilities overperforming, while most of the rest is acceptable.
1) Squig Beast as a Morale 1: this ability simply puts out way too much damage for a Morale 1. I think most would agree with this.
2) Maybe an unpopular opinion, but DWIS is problematic. It may seem inconsequential, but this tactic breaks the class in smallscale. Allowing a 100% uptime heal debuff, which doubles as a decent DoT to further do damage to a player everytime they're healed is too strong. It can be impossible for a single healer to keep one person up from a single DPS, themselves included. The issue with this tactic is it's useless in largescale, but too strong in smallscale. I can confirm as a high RR healer that it is easier for me to keep a squishy SW alive from 2x Choppa and a 2h Chosen who are all in Invader or Sov than it is from a level 35 SH in Annihilator because of this tactic. I've had more difficulty keeping people alive from undergeared SH's than any other DPS class on Destro (except maybe Magus/Sorc bursts).
3) Double finishers - finishers are fine, really, but having two easily accessible is a bit strong.
a) Sharpened Arrers shouldn't apply to every ranged attack. Should be restricted to one tree or the other. SW, WL, Mara, and SH all have access to armor ignoring tactics. However, for some odd reason WL's is restricted to two abilities, SW's is restricted to Skirmish, but Mara and SH applies to all abilities regardless of spec.
b) Tastes Like Chicken - I really don't understand why the class with the greatest CC/escape arsenal in the game needed to have access to a free Officer potion every 60s. This saved my SH from some pretty stupid situations and let me get away with more than it should. 1600 HP is way too high for a baseline ability.
c) Git Em bursts way too hard, but that may be in conjuction with Squig Beast and Squig Frenzy. I've seen Azeyuune run in at a lower defense target with both up at 75% movespeed and literally kill them upon touching them. No, I'm not exaggerating. Coordinated Strike was nerfed for this very reason. Git Em never received the same scaling treatment after mSH got reworked. Git Em should receive the same nerf, with the absurd front loaded burst being sent to something like "Cut Ya!", just as CS front loaded burst was sent to Shatter Limbs.
P.S. ranged knockdown is fine. It's more annoying than anything, because the class already has so many powerful tools. In my opinion, Squig Beast and DWIS are the classes biggest offenders.