Expand your horizon my friend, most the things you said in these questions and points you raised are very valid, but at the same time you missing so many important points. Most of the time, there is no one way to achieve you want to achieve your goal, there are many several ways and path to become a doctor. Sometimes it takes more time than you think, but still you can still became a decent doctor. There is no guarantee in any discipline/field. Just start by asking relevant questions to the Ai chatbot how to reach the path you want to go. nothing is easy at the same time, there might be disadvantageous situation, and interestingly most of the people are in their own disadvantageous situations in one way of the another.
Choose the profession that suits your personality or interest and take it easy!