Coming from a 'skilled player' (pvp mostly) who has participated in the PTR for this upcoming patch, I have to disagree with you.
The 'nerfs' to the SI affect and effect all of us, whether we are skilled players or up-in-coming ones, or just face-rolling-keyboard-trolls.
What the theorycrafters and PTR testers are complaining about is the result of their nerfs based on skilled players who are trying to overcome the nerf to be viable, and having a hard time finding a way. They hit us too hard.
Almost everyone agreed that the Consumption issue, or the double-dipping in the Corruption tree needed fixing/tweaking. However, issues in the Madness and Lightning tree have been apparent since launch. Our 31 pt talents are mediocre at best, some of our talent choices are worthless and passed over due to poor mechanic implementation, we have to spec into abilities that other classes get 'just because' and they are far weaker as a result. The classes actually needed buffing. Go read a theorycrafters post under the Sith Inquisitor, go read the PTR boards. See the numbers, see the changes, and you will see a major herp-derp on Biowares part.
After leveling my SI, getting her almost to valor rank 77, and loving her... I've already retired her, and am currently trying to decide if I want to actually level another class I'm not interested in, or just quit for awhile until they see their screw up go live. Staying alive in pvp as a glass cannon was difficult enough. On the ptr, people who have half my Expertise, and face-roll their keyboards kill me instantly. No thanks Bioware, not interested in being perma cannon fodder.
Flame on