Well-paying profession =/= "rich af"
Well-paying professionals =/= the people that need to be taxed more.
I find your view overly simplistic to the point of not being a useful way to look at the world.
Salary professionals might eventually have relatively well-paying jobs, but they also have hundreds of thousands in school debt, can't start earning until much later in life due to spending time in graduate school, have to study like crazy and make sacrifices in their late teens and early and mid 20s, often have to work long, difficult hours when they are starting out, are often quite vulnerable to any health or medical conditions long before they even out their debt. They also provide essential services to society that require heavy education and training but are absolutely necessary for modern society to function (unlike high-frequency traders, trust fund babies, or inherited property owners like Trump, Kushner, and their ilk).
Additionally, this group pays the highest taxes on their income of any group and significantly more taxes already than the truly wealthy who earn from unearned income. It's not this group that isn't paying their fair share in taxes, it's the groups above the salary professional that benefit from the current system and avoid paying their fair share.
So sure, eventually, by their 50s, salary professionals are not doing bad (assuming they don't get unlucky or make a few bad choices in investments) but they are not even remotely in the same category as the truly wealthy, those that make unearned income, own a lot of revenue-producing property instead of working, exploit the workers around the world and create the codified laws to keep growing the wealth inequality gap.