Putin's turnaround in the war?

After the confusing launch of the invasion, it seems that the Russian army is on the way to conquer the entire Donbas, where two self-proclaimed "people's republics" which Moscow recognized are situated.
According to German military expert Carlo Masala, incumbent Russian President Vladimir Putin does not have to worry because he seems to continue to "gain more than he loses" by continuing the war.
"He is doing well. That is why he has no motivation to enter into negotiations," the expert said.
Ukrainian President Volodymyr Zelensky, who last week accused Moscow of carrying out "senseless bombings" and "turning Donbass into hell", said last week that "50 to 100 Ukrainian soldiers" die every day on the front in the eastern region, which maybe up to 3.000 a month.
There are usually three, maybe four times as many wounded, according to the Guardian, which is a great loss for the Donbass defense forces, which were estimated at around 30.000 before the invasion, although that number increased after the mass mobilization in Ukraine.
Russian forces have taken more ground in the past week as they approached the city on the front line in Sievierodonetsk and nearby villages than in earlier efforts in May, the Institute for the Study of War reported on Tuesday.
"The shelling of Sievierodonetsk is growing exponentially," said Serhiy Gaidai, the Ukrainian governor of the Luhansk region, which is now 95% controlled by Russian forces.
He estimated that about 10.000 Russian soldiers were taking part in the attack, with an additional 2.500 weapons and equipment.
Russian forces intensified the attack on the Ukrainian city of Sievierodonetsk after they announced that they had captured Liman. Local media reported a statement from the...