Which is ONLY APPLICABLE TO THE JEM'HADAR ATTACK SHIP.
I think its a nice set for polaron lovers but a slap in the face to just about EVERYONE who didn't get the ship.
As it's a 4th ability it's really meaningless. People aren't losing out on the 3 abilities all such sets grant. You might as well say that STF gear is a slap in the face of all the fans who hate teaming.
The jemhadar kit is really bad in my opinion. Even bad to put on a jemhadar ship.
Bonus to power insulators... err... pointless.
Bonus to polaron weapons. Ok.. 7.5% bonus does not match the plasma-disruptor hybrid damage (its a 10% damage bonus over all other beam arrays and dual heavy cannons) nor does it really improve anything. Heck, the 10% chance to proc Tetryon weaponry from the 'The New Link' mission gives more benefit than that in application. I even went as far as testing an 8-beam polaron odyssey with that bonus set..the damage bonus was not noticeable really.
The final bonus on the 3-set kit might be of some benefit for shield-stripper science ships. I can easily see combining tachyon beam 3, charged particle burst 3 and the jemhadar 3-set bonus attack to completely kill the shields of a good number of ships...and the polaron bonus MIGHT be of some good use for the science ship due to it loading less weapons than other ships.