The batteries are still expensive and good to use for anything else. So it should be 20-25k in scrap.
That's incorrect, making things from crops that use farms which could be wildlife habitat and use oil based fertilizers and pesticides isn't necessarily better or emit less net co2. It may in some cases be better but just like corn based ethanol it can also increase food shortages and depending on where it's grown be worse than just using oil.
No, social behavior has always been a party of biology. Even after you reproduce how you care for your young and your extended family has a huge impact on the species. Herd animals or anything that flocks can't function solo. If all the adults just left after they reproduced the species wouldn't survive. Reproduction is key for the individual, but it's never that simple. The version you're told in school is always a highly simplified version of the truth.
But they're buying it for real cheap and only in their own currency so Russia is forced to use it to buy stuff from them. Its not helping out the Russian finances too much.