For those who are not familiar with USA revolutionary history, the Boston Tea Party was a riot against an increase in tax on imported tea imposed by the king of England without any consultation with the British North American colonies. The actual complete phrase was "No taxation without representation." The irony is, many Trump supporters are not saying anything about Trump's unilateral decision to impose tariffs, bypassing the representation Congress is supposed to provide.
Alt text: A two panel comic. Top panel has a title of 1776, and a white man is yelling angrily. The word bubble says "Pay a 3% tax on tea and paper. Screw that! Revolution!" The bottom panel has the title Now and a white man looking despondent. The word bubble says "Pay 40% of your income. Sure that's totally fine."
True. I often hear a criticism of universal healthcare is long waits to see a doctor, and so the right claim socialism fails. But the reality is, as you mentioned, it is the lack of investing in free higher education that causes having too few doctors. Everything is connected.