> I thought because creating the `t` object would launch Terminal.

Maybe, maybe not, but you're creating it anyway. :-)

> I thought that was an old SB thing that we always got caught out on (launching the app)?

Depends on the app. There's a description I can no longer find of which apps fall into this category, but it's useless. There's no way to identify apps that meet the criteria they describe other than trying it.