Fuck this Scorcher. I did it but it was grindy and frustrating as hell.
I took the long range scope advice, thanks
MotherMachinae . Even with this I had to cheat by reducing the enemy accuracy in the options (I guess my aiming is poorer than I thought) and still needed twenty reloads or something (in Campfire mode, meaning it became a checkpoints affair). I also had a Saiga shotgun that allowed me to cheese "Commandos 2" style - enter a small room and kill enemies as they cross the doorway. Took a dozen or so of them this way.
I was lucky that a pseudogiant appeared in the forest besides the road, attracting lots of monolith and letting me infiltrate farther; and a psy-storm hit right when these guys detected me. I managed to climb in that small room over the fence while the enemies stayed outside and vanished after the storm ended. Love this kind of emergent thing in the game.
So, Red Forest next. I hope it's less frustrating than Scorcher. I already decided to go back and "faction grind" for better gear (I'm befriending Clear Sky now, thanks
Tacgnol ).
P.S: I find this one of the areas where CoP is better than ShoC, less waves of enemies thrown at the player and more focused, well-thought set pieces instead. BUT the atmosphere of ShoC remains unbeaten - the Scorcher is fucking insane, the alien sky above (while the antenna is on), weird sounds fucking your head from inside, the enemies shouting at you like fanatics. Amazing shit.