> How come a graphics powered REPL is less capable than a window that pretends to be a tty from the 1970's?

I mean the Smalltalk transcript and its capabilities alone, not Smalltalk as a whole. The transcript apparently just logs plain text; xterm supports color and text formatting like bold and italic. I'm guessing that, per https://news.ycombinator.com/item?id=47058849, you'd want fancy text displayed separately in the GUI.

> as for Powershell remoting, no need for VM when Powershell nowadays is written in modern portable .NET.

It looks like multiplatform PowerShell remoting uses SSH: https://learn.microsoft.com/en-us/powershell/scripting/secur.... You'd get a VM to use WinRM.