Even working for a company that had mainframes, getting access to do any kind of learning was very difficult. They rarely have dedicated training systems given

Even working for a company that had mainframes, getting access to do any kind of learning was very difficult. They rarely have dedicated training systems given the cost of running them, and trying to find information from IBM was an excercise in frustration. Personally I think that is where IBM made a huge mistake. Lack of low cost training systems has starved their ecosystem of new coders.