Given some support from the community I went ahead and closed this question. After discussing it in chat,
Jeff mentioned a great point:
the question could possibly be re-worded asking about a specific effect ("are brighter stimuli typically judged more positively than dark stimuli?") offering the commercial as incidental evidence. If you'd be willing to rework the question along those lines Albert, I will gladly reopen. —
Josh Gitlin 4 mins ago