Yes, that seems to be darn appealing at first glance.
However, if we're going to consider changing the Domains, then the question we need to answer is this: Is it really Lightning's Mind that is the source of his personal Angst? Maybe...
However, to put Lightning in Mind would require that he try to solve problems internally, first. We would need to show instances that indicate that this is his preferred approach. I can't come up with even one, where he prefers this approach. However, every time it has come up, it has been in the sense of his attitude. Perhaps, then, we might consider whether Physics and Obtaining are sources of internal struggles for Lightning, since Attitude is a possible Issue there.
Finally, this is clearly subject matter the narrative regards, but is it really the theme that the narrative explores?
It seems to me that the overall message of the narrative is mostly something along the lines of: "You'll feel better if you help/support others around you, rather than run over them to achieve a shallow dream."
The immediately suggested arrangement by this idea seems to me to be:
- OS: Universe/The Future (putting Consequence in Subconscious)
- MC: Physics/Obtaining/Attitude (giving personal issues for Help/Support/Oppose/Hinder)
This arrangement also keeps the Stop dynamic and forces the following Domain/Concerns/Issues:
- RS: Mind/Subconscious
- IC: Psychology/Becoming/Obligation
In any case, I still can't see Lightning as a Be-er...