To resolve issues starting MATLAB on Mac OS X 10.10 (Yosemite) visit: http://www.mathworks.com/matlabcentral/answers/159016
What situations allow multiple Answers in a thread (less than a week old) to get Accept-clicked, as seems to have occurred here:
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Hahaha thanks @Matt J...
Extra +1 to us for stumbling on the bug!
I wonder is Randy is experimenting with the ability to "Unanswer" a question and mark the better one as the "Answer" - something a lot of people have been asking for for a long time, though I suspect he tries this stuff out first on a sandbox, non-production copy of the database rather than the production one.