One added dimension is the lack of original Design Thinking application during the hackathons. Because there is not enough time to develop empathy with target customers.
I never saw any useful innovation come out of hackathons while driving internal innovation efforts for a large payments company.
In fact, saw many ideas that have been tried and discarded already because they did not resonate with the target customers.
Seems the real goal of hackathons within companies is to inject temporary excitement within the workforce that rapidly vanishes.
Continuous innovation culture requires company leadership commitment and resources.
FastCompany Article Here