Online digital platforms are increasingly becoming new contexts for business activities and generating new opportunities for start-ups and entrepreneurs. In compliance with mainstream literature on the emergence of entrepreneurial opportunities, platform entrepreneurship is nearly always presented as the outcome of intentional processes. However, there is plenty of evidence that platform entrepreneurship often happens accidentally, when people are on their way to something else as often individuals decide to engage with a digital platform for leisure, with the intent to join a community, learn new things, or express and practice their skills, talents, and passion. This paper explores the relationship between passion and the emergence of unintentional entrepreneurial processes triggered through the platform. Our empirical setting is YTTalk forum, the largest digital community for YouTubers, where we tracked the activities of 20,538 users from September 2011 through March 2020. Drawing on the Linguistic Inquiry and Word Count (LIWC) software, we proposed a new methodological approach that makes use of language to infer passion. Our results show that community engagement over digital platforms is key for favoring the emergence of entrepreneurial intentions in passionate platforms participants. Specifically, we show that it is not the frequency of interactions (number of users’ posts) but the quality of the interactions over the platform (positive reactions and comments of appreciation generated by users’ posts) having the potential to favor the transition from pure leisure passion towards entrepreneurial intentions. Entrepreneurial intention emerges as platforms' users become aware of the attention and appreciation that they receive.