>the troops are being kept in the dark about their location
considering that that excuse has been practiced at least since 2014, and that the soldiers have smartphones to post selfies, and after watching several of those POW videos with their canned responses, i'm convinced that it is just a trained excuse to get better treatment from Ukrainians when caught.
Even any technical aspects aside. I grew up on a USSR Navy base, and we always knew who goes to fight where. And the military convoys always naturally interact with locals on their route, soldiers talk to the locals, exchange fuel for vodka/cigarettes, children come to get onto/into tanks in exchange for some small favors/goodies/etc.
And to the commenter below: nobody dismantled road signs on the Russian side on the roads to Ukraine :)
Btw, on Ukrainian TV - they are in much better mood today giving their military successes and corresponding Russian failures, i mean they weren't panicked or anything like that yesterday, just seriously somber, it is just today they are really having the blast - they today addressed that overall Russian people habit of playing a powerless victim of circumstances : "Next time you'd think twice about whom to choose President."
(Other quotes from Ukrainian TV today - "We Christened Russia, and we're going to give it the last rites.", "To see Kiev and die. Looks like you're insisting on doing it in that your own peculiar way - well, be my guest.")
And to another commenter below:
>conscripts calling families telling that they are forced to sign contracts (in military operation can participate only contractors)
so, they forced you to signed contract because that is the only way you can participate in military operation and are sending you on "exercises" with full battle ready hardware somewhere close to Ukraine when there is escalation in the air/news. Days later you're driving through Ukrainian villages with clear orders to shoot on Ukrainian tanks and soldiers first and like have no idea where you are and why you're there :)