You are right, you can’t use only information Ukraine or Russia provides. But it probably is the case that Ukraine was stomping Russia for pennies on the dollar earlier in the war. However, Russia is not a static force. They learn and change their tactics, and Russia spends more resources now than they did earlier.
It would be a grave mistake to stop aid to Ukraine while they are still willing and able to fight.
Most users likely do not know about recall, and as the guy in the video shows, there doesn’t appear to be anything in a normal user interface showing that it is installed and configurable.