I get that there very well may always be someone on the other side of a financial stake. But a country signaling they won’t respect property rights is a huge red flag that business will flee.
I'm afraid that political / systemic risks are too high to invest more than a token amount.
You get ownership in something that might not exist in the future? Your money, your risk. Feel free I guess.
If you're expecting putin to be assassinated and the war to come to an end in a few days. Might make sense... but you're better putting all your investment in lottery ticket, it's lower risk.
Just one example, the UAE abstained on the UNSC resolution condemning Russia (after all, they have their own war-criminal invasion of Yemen going on, it would be hypocritical of them to criticize Russia for what they themselves have done, just with two or three orders of magnitude higher civilian casualties). Investing in carbon-intensive industries is not good for diversifying their exposure to oil, however. China is another obvious example.