Totally agree.
If we simply replace normal grenades with star wars grenades, and normal claymores with some fancy star wars claymore, the gameplay will be identical, and boarding a ship will feel more like fighting it out in warlords palace : laggy, and a cheap explosive spam fest.
Also, battling in a star destroyer would feel the same as battling in a titan without these unique features, and thats not good.
Frankly, it would be a skin mod, as the gameplay would be almost identical.
People like me would still play it for the awesome environments and being stormtroopers, but it would be even cooler to have better and different gameplay.
Adding stuff like doors, and removing grenades, making lasers more powerful, will make gameplay entirely different, and frankly better.
How can a laser firefight be worse than current grenade exchanges? I love getting free nade kills, but it is more fun to nail guys with the lasers.