Would it really make a difference to their budget
At last count the French annual budget was 1383.9 billion Euros per year. Even 2% of Amazon's 232 billion USD would equate to about 3.5 billion euros, which is just a rounding error on the French budget and wouldn't help them in the long run since it looks like they haven't balanced a budget in 30 odd years and their debt is approaching 2.5 trillion : https://commodity.com/debt-clock/france/