checked, it removes widgets and god know what more. but not chat/teams.The ghacks article on removing Widgets names it as the package. I agree MSFT's feature names are totally vague. The Teams appx is listed in the same article's comments.
Get-AppxPackage MicrosoftTeams* | Remove-AppxPackage is removing teams but taskbar settings are still there. it is not clean remove process like widget removal in ntlite. so we need nuhi to take a look at it
enlighten me if you know what others are