Hey @Ascidiacea - sadly, the look at style approach won’t work across instances automatically. You can, however, still accomplish this same need by using the object CHOP:
Object CHOP Web Write up
You can find a web-write up here:
Object CHOP on the Forum
There’s also a thread on the forum about the same technique here:
Instancing Techniques
If you’d like to see a few different techniques for working with instances to accomplish this, there’s a tool for that here: