Discounting the facts that BlackRock stand to make millions "rebuilding" it post-war, and the Texas oil companies want to make millions more drilling it, there's also this:

Speaking to host Russell Brand, leftist Grayzone editor-in-chief Max Blumenthal pointed out that US Secretary of State Tony Blinken stands to “make a lot of money off this war“ through his company WestExec . Ukraine has been “drunk” off of “delusional fantasies out of Washington that they can somehow ‘win’,” Blumenthal said.

“Tony Blinken was recently in Kiev for a more extended period than usual, probably to put the idea of negotiations on the table,” Blumenthal claimed. “This is because of the colossal failure of the Ukrainian counteroffensive, which the US has been heavily involved in.”
Blumenthal also pointed out that US Secretary of State Tony Blinken, “Has major skin in the game when it comes to continuing this war. He founded a firm called WestExec Advisors, which finesses contracts for the arms industry and Big Tech through the Pentagon and the State Department – him and his former colleagues from the Obama Administration founded this firm to profit off their connections with the major winners of the Ukraine proxy war: Raytheon, LockheedMartin, Palantir – all the Beltway Bandits, as we call them here in Washington.”

Past WestExec partners have included DNI Avril Haines, former Biden spokeswoman Jen Psaki and CIA deputy director David Cohen, The Intercept reported 2021.
“Why would they want to end this conflict?” the son of Clinton adviser Sidney Blumenthal asked. “They’re the real winners of this war.”

The Grayzone editor Blumenthal criticized “the hatred of Russia that prevails among the Democratic Party foreign policy elite, but also within the Republican Party, the idea that we can’t ‘lose’ this war, that this is about ‘Democracy’.”