That they are not merely trying to make Ukraine Russian-aligned.
They are trying to move 5 million Russians into Ukrainian territory, and have confiscated tens of thousands of homes after making their owners war refugees and are giving them to Russians.
They have kidnapped tens of thousands of Ukrainian children, and they are not just educating them to be Ukrainians accepting Russian rule, but they want to completely Russify them as a further attempt of erasing the Ukrainian nation.
As an example, they are declaring the homes of war refugees abandoned, and are giving it to Russians, specifically excluding Ukrainians.