The French dairy group Danone and Denmark’s Carlsberg brewer were in talks with buyers to limit their financial losses in Russia. But the Kremlin’s sudden “temporary” takeover of the two companies Sunday night (involving the seizure of Danone by Chechen leader Ramzan Kadyrov’s “favorite” nephew) may in fact be a sign that business is over once and for all for Western subsidiaries that have pulled out since the war began.