Enterprise IT departments are diverse as well. They are not monolithic as we portray it to be. I've not seen any big non-tech company totally dependent on one

Enterprise IT departments are diverse as well. They are not monolithic as we portray it to be. I've not seen any big non-tech company totally dependent on one programming stack. They spread their bets. One can see people sitting next to each other working on Node.js and Visual Basic. If anything to go by what I've seen and provided competent people are making the decision, they try to use right tools for the right job.