You didn't use Guns much as well, not to mention your experience with EW is iffy at best ......so even if you not convinced, Unarmed is NOT OVERPOWER with any objective comparison.
To explain Guns: Biased like hell towards Guns, what where they thinking when designing the game? The rest of the combat skills feel underdeveloped, either by underpower, EW and Explosives, or by overpower, Unarmed.
Want an example?
I shot a powder ganger in the back with no critical hit and low Guns skill and instakill him on Hard. Guess which weapon I used? A 9mm Pistol.
Well, I tried using a dynamite, the Explosives first tier equivalent and I had to toss 3 dynamaites to kill a powder ganger.
I had to use... 3 dynamite sticks... To kill a human... While I could one shot him with a freaking 9mm pistol...
And EW?
Sorry, but no, I can't go on about EW again, I know it's not fair since you maybe weren't around for those discussions, but I still can't go on about them.
In NV they're buggy, under balanced, illogical, ammo drainers and generally not very lore friendly IMO.
Example: A laser pistol fires away a concentrated beam of light correct?
Well, it requires 4 shots to kill a dog.
Only weapons which actually feel right are RCW+, Gauss and Holorifle, and that is screwed up by the easy access to EW ammo and conversion tables.
Guns has way too much emphasis in the game while the rest of the combat skills feel very out of place with their design and input.
So why didn't I flesh out on Guns? Cause we're not discussing Guns, I'm not going to take every individual combat skill perk/weapon/situation/enemy/stat and compare it around.
And EW... Just play FO 1/2, see how they were handled there.
Imagine me ranting on about how they were handled and you'll get a clear image of what I'd say.
And this is going offtopic a bit.