The top (in the world) 2 airline reservation system Amadeus have ported everything to Kubernetes for years now. In fact they were among the top contributors to

The top (in the world) 2 airline reservation system Amadeus have ported everything to Kubernetes for years now. In fact they were among the top contributors to the project a few years back. It's all a matter of age and maturity. Nobody starting an airline, or financial company, or "hardcore data processing" today even bothers considering a mainframe or COBOL.