There are large working Python 2 code bases in a lot of organizations. It works great. Fabulously reliable. Extremely well-tested. Been running great for years.

There are large working Python 2 code bases in a lot of organizations. It works great. Fabulously reliable. Extremely well-tested. Been running great for years. They have no desire or need to upgrade and will run Python 2 and pay devs to maintain it forever. Welcome to the real world.