It won’t. But it might make them sell it cheaper somewhere else, resulting in lower spend on the army. Also, think of all Russian businesses loosing money. Their owners will be pushing the government to fix the situation. At the end of the day, money is power, you don’t want to loose it.
Ma’s case is not a good example though. The guy was alone and his empire didn’t vanish, just changed ownership.
I’m not an expert on Russia, but I’m sure that they’re not self sufficient and that to be able to trade with anybody, they’ll need to exchange their currency. Alone, they might end up like Jack Ma
Paying more for energy means your economy gets rekt too. It's hilarious people think only the seller's will be hurt, the buyer's will be hurt too. It's a two way street.
Not to mention the political upheaval you'll see. High energy prices, especially gas prices, are highly correlated with election results - especially here in the US. It's why Trump and everyone before him was so desperate to keep gas prices low.