I don't doubt that organized criminals are getting a cut of the arms shipments. However, like the George Floyd riots three years ago, there is an organization behind the civil unrest. The riots in America in 2020 and in France in 2023 are no more spontaneous than a classical ballet performance. The death of Floyd and that of the Muslim driver were mere excuses. In our country, Antifa and BLM were well organized and funded by wealthy leftists, and in the case of BLM, openly by large, multinational corporations, even the NFL and WalMart. BLM and Antifa directed the riots, which were approved of by the liberal media and the Democrats. The purpose of the riots was to weaken the Trump Presidency, and it succeeded. It is likely that Muslim terrorist groups are the French equivalent of Antifa/BLM.
It is likely that some group like Al Qaida is coordinating the riots and obtaining the weapons, possibly through organized crime. Ukraine is a pesthole of corruption and has been since the fall of the Soviet Union. However, American and British intelligence, if they wished, told Zelensky or the Ukrainian mafia to desist, if the goal were to protect Macron. The French leader has been stepping out of line in his desire to have France negotiate with the BRICS financial group. Defection or even flirting is unacceptable. So supporting the riots may be the American and British method of keeping Macron in line.