Does the brand name match the search term somehow?
No, as I'd noted...
Queries are brand name independent.
To be more complete... vocabulary in brand names and queries don't literally relate to each other.
Also, a PS to my post above... this was the first example of title rewriting I'd noticed on GorillaGuys.tld (not that I've spent much time dwelling on it). Because of earlier examples on this thread, though, I purposedly tried a query for a page with a long title that targeted several different phrases on the page. Though I was observing the rewritten title around the time of my post, I'm not seeing it now (on GorillaGuys.tld), either for the query that brought it up before, or for anything else I can throw it at.
This makes me believe it may well have been a test. It will be interesting to see whether it comes up again. Most likely time, I assume, would be on another day but at the same time of day.
Also, to be noted regarding this same page on BrandA.tld... if I search for a generic phrase, one that collectively sums up all the various entities listed in the 86 character title, BrandA.tld ranks #6 and the title is rewritten to a 40 character title, in the form...
Summary Query Phrase - BrandA Widgets
The summary phrase reflects both navigation anchor text and text on the page, which exists in both sites. While it accurately sums up all the specific phrases collectively, no one searches for the summary phrase, which is why I didn't target it.
For the same query, the GorillaGuys page ranks 50 positions lower (exactly), and the title in the serp has not been shortened.
[edited by: Robert_Charlton at 3:32 am (utc) on Aug 10, 2012]