Take for example Riposte. One of many.
If I earn riposte for my Psyker sword, the average person would probably think that would transfer to a combat knife (maybe on another class).
It doesn’t. It’s confusing unless you go look up online somewhere which weapons sit in the same pool.
Suggestion : give these skills different names, or have a hover over to show applicable weapons, or even just make them universal even if the bonuses differ across weapons.