Yeah, you're probably right. We don't really know yet how Poona will be used, at least not completely. But, basically I agree with you, when rush defense is probable, he'll be out there. If it's a pass or rush situation, we'll have to see how they use him. But, if it's definitely a defend the pass situation then there are probably better pass rushing options.
So, that's one of the interesting questions. Who will turn out to be the best replacement for Poona in the pass rushing for sure situations? Verse, Young, Turner and Fiske have proven themselves as pass rushers. Do we also add Stewart for these pass rush plays? And, if they do, where are they going to put Verse? I don't think Young or Stewart can rush from the inside, but Verse probably can.
Anyway, it's an interesting topic to talk about (for me anyway). And, we shall see what actually happens!