They're not interested in anyone but people willing to write million dollar plus checks using their products. Those same giant customers have large legacy investments and plenty of money to hire teams of people to deal with things that are hard to use. Those kinds of customers care much more about things working for 30+ years without downtime than they care about UX.
There's a whole world of solid, reliable, but unbelievably boring "institutional computing" out there that hackers usually don't touch because it's... well... boring. Java is the closest most hackers ever get, and that has more in common with Python or Ruby than COBOL or z/OS. Java is kind of a modernized mini/micro computer business language.