Is the extreme taxing of fuel in France really about climate change, or is it really for subsidizing the mass amount of migrants coming in from the Third World countries?

https://www.quora.com/Is-the-extreme-taxing-of-fuel-in-France-really-about-climate-change-or-is-it-really-for-subsidizing-the-mass-amount-of-migrants-coming-in-from-the-Third-World-countries