Thanks @TangoVictor,

This is still a thing in SQL Server 2019.  Hadn't noticed that the SQL Server CEIP service was enabled and running.  Since we don't use telemetry I disabled and...

Heheh! Great catch. I knew about redirecting Y and xp_cmdshell, just never brought the two together (this is my Reese's Peanut Butter Cup 😉

Here's what I ended up with:

master..xp_cmdshell...