There's a strong argument that "the West" is supporting Ukraine to such an extent that Russia is at the disadvantage in the long game.
The Price of War - Can Russia Afford a Long Conflict? (Perun) https://www.youtube.com/watch?v=aEpk_yGjn0E
Technological independence is easy to say and incredibly hard to do. Neither does independence means superiority or equality. Many forget that investment in technology takes time and comes at the expense of other things. China and Russia have budgeting constraints that will pull them away from investment in technology.