Probably to scare you out :) These seem to be the Souyz debris (green/gray painting), not too dangerous I imagine. Proton-M remains are completely different story though.
It's not possible to safely scavenge a booster sitting in the open, because by the time it could be dissipated it will long be scavenged unsafely by someone else.
The photos taken inside the Buran Project hangar are peak abandoned-pr0n: https://www.google.com/maps/place/Buran+Project/@45.94048,63... . Pretty interesting to see an actual space shuttle abandoned among all that '80s electronics and scattered paper-work.
it was inspired by the Japan Kwantung Army vast fortifications in Manchuria where the older brother served in the years after WWII. There are a lot of other places in Russia which do feel like Stalker though.
There's no Google maps aerial link in the article which is too bad... because it's mesmerizing & illustrates how remote the location is: https://goo.gl/maps/22sBrQ26abQ2