Fast API, F for Frankenstein

What is so special about Fast API? free to choose the project structure, modular, layers, or even use-cases. free to use SQLModel, SQLAlchemy, SQLObject, Tortoise-ORM, or even Django ORM! free to use Pydantic, DataClasses, Marshmallow, or even Cerberus. free to use Alembic, Liquibase, or maybe Jetba