A large number of those tend to be vetted. Additonally, frontlines level videos do go through significant vetting and some form of MDM is used on personal phones in the frontlines.

Additionally, on the Ukraine side as well as the Russian side, civilian strike information isn't deemed critical from a NatSec perspective as plenty of Russians and Ukrainians lived on both sides of the border and still have relatives on either side, so both assume the other has granular level knowledge of non-frontline spaces.