Does MOOCs do a big impact in your career after 10-15 years in the workforce? Most of them (from software-related topics) are about foundational topics and intr

Does MOOCs do a big impact in your career after 10-15 years in the workforce? Most of them (from software-related topics) are about foundational topics and introduction to technologies. I suppose it is to get more students enrolled in the MOOC. Have you encountered any MOOC that was pivotal in your career after 10-15 years in the workforce? TL;DR: I wonder if there are MOOCs directed to seniors. What are your favourites?