You have outdated information. You can either update your information and use the current names, or you can pretend a tool from 4 years ago which has been deprecated and superceded at least twice, is the current one, the same way you can pretend that Windows 8 is the current desktop and be angry about the full screen start menu that "Windows has".
No, it's called "Windows PowerShell", look: https://i.imgur.com/119yPbK.png
> "so being ultrapedantic about one particular presentation of it, isn't necessarily a great approach."
https://docs.microsoft.com/en-us/powershell/ - official documentation has sections for "PowerShell" and "Windows PowerShell 5.1".
You have outdated information. You can either update your information and use the current names, or you can pretend a tool from 4 years ago which has been deprecated and superceded at least twice, is the current one, the same way you can pretend that Windows 8 is the current desktop and be angry about the full screen start menu that "Windows has".