There are other differences that make it easier to move into tech too. In my country at least, the number of students that are permitted to study medicine each

There are other differences that make it easier to move into tech too. In my country at least, the number of students that are permitted to study medicine each year is strictly limited. Similarly, in law to get a decent job one has to complete a pupillage which can be extremely hard to get and is often based on family connections etc. Finance can also be quite classist/nepotistic. So compared to these other top professions, software engineering is more meritocratic and accessible.