There is more to economics than Milton Friedman. Marx was a pioneer in economics and leftest theory has been robust in the field from the beginning.

Criticizing soft sciences for their estrangement from mathematics is classic antiintellectualism. The same logic would demand the disillusion of psychology, sociology, and all the critical theories that are the foundation of modern leftest thought.

Economists are the priests of capitalism.

Only tangentially related, but it's often accepted that there is no Nobel prize in economics. There is a Nobel memorial prize in economics (link), but as it was set up after Nobel's death it is in a slightly different category.

Economics is a subset of moral philosophy, which just happens to care a lot about mathematics but is (or should be) nonetheless primarily concerned with questions of morality.