The C-hog doesn't perform any different than any other F4U either, so it doesn't skew people's SA.
It really wouldn't be fun flying around having the thought in the back of your mind that every Spit you see might be a 14, or every F4U might be a -4.
And then the whining would be incredible, the "he killed me in a superplane and I couldn't even tell!". Yeah, we need that like we need a root canal.
What makes AH fun is being able to tell what your opponents are flying, being able to make proper decisions and fight your plane against his. If you can't tell what the other guy is flying, then fun is thrown out the window and it all comes down to luck.
I don't think the perk tags make any real difference to an agressive pilot. The people who think they need special ICONS in perk planes are IMO the ones who want to "hide"......the F4U-1C is available for these players

Heck, I wish EVERY plane had a unique ICON. Before someone starts the "well they were hard to tell apart IRL", please answer the following--why do the LA5 and LA7 have different icons? Or pray tell, how many 109E's flew combat along side 109G-10's?
As for the PP's being "too expensive".....nah, people are just too afraid of loss, as if PP's were real money.
J_A_B