No, this is not from the 1970s. This is from April 2020:
https://newsroom.ibm.com/2020-04-09-IBM-and-Open-Mainframe-Project-Mobilize-to-Connect-States-with-COBOL-Skills
Have people been in hibernation for 50 years ? Took profit from hardware upgrades but the software base stayed the same ? Because of missing documentation, i bet ;-)
Well, if it worked until today, then what's the fuzz now ? Why not stay in bed and let it run for another 50 years ? Never change a running system and all that.
tststs :-)