Luxury tax and gas prices are 2 very different issues imo. Gas prices affect everyone. Taxes target certain people and industries...
Most people who earn big money worked their asses off for it. Completly normal they don't want the fruit of their hard labor taken away...
Let's face it, I've rarely seen a minimum wadge earner work 60 hours a week, no vacations for 3-4-5 years in a row, take big career risks, move to different places for career advancement, stay on school benches untill 25, do continuous training every year to keep up to date with the market and spend countless of volunteer hours building their business network...
After doing all that, you get rewarded with special taxes and fees because of those choices that already contributes a trumedous amount to society?
I could imagine a world where school dropouts get special taxes for their poor choices and not contributing to their full potential to society...