Yet more modder arbitrary "fixes".
If you break into a post nuclear military base, you expect to find some serious gear laying around.
"B-but what about 'muh balance?" Military bases should have sizeable loot in them.
Stimpacks inflicting radiation is also dogshit, considering the fact you will have to use them so often. Really no serious explanation for why this is... Oh, some "lore" shit? Come on...
Even if we take the lore out of the equation, I still disagree with this change to those healing items. It's not a measure which will balance the difficulty of the game, either, because you can casually use the BOS computer in San Fran to decontaminate the main character, free of charge, when you've been dangerously exposed to radiation.
"But Navarro is an end game location, which must be infiltrated first, for you to unlock the BOS facility in SF" Yeah, but people have been doing Navarro runs for years without issues, getting access to Power Armor in the early game. You can finish the "espionage side quest" for Matthew before even entering Klamath, and the game wouldn't have a thing to say about it, it's an open-world, do as you wish.
And what's stopping the player from simply sleeping on the ground until they're back to full HP? I just use the rest option in the Pip-Boy at the beginning, when my best healing items are those healing powders. Losing perception after every use? Nah, man... screw that!
Fallout 1.5 has a lot of locations where you cannot rest, but the classic Fallouts are far more merciful, in this regard.