It's also inhibited by typical corporate crapware, but with a pretty barebones/vanilla config, in PowerShell takes a full four to ten seconds just to open a new

It's also inhibited by typical corporate crapware, but with a pretty barebones/vanilla config, in PowerShell takes a full four to ten seconds just to open a new session on my work computer. PowerShell isn't even fast enough for basic interactive usage, never mind batch processing.