It was certainly cute, but let's not forget that it was always just a "nice extra" to the main Rosetta mission. But it did teach us that landing on (and grabbing onto) a comet surface can be tricky and fail even if you're equipped with several contingency mechanisms.

BTW, ESA is unfortunately not nearly as famous for its public outreach work as NASA, but the Rosetta/Philae PR team was on fire, releasing an incredibly charming series of cartoon animations documenting the mission:

https://www.esa.int/ESA_Multimedia/Videos/2016/12/The_amazin...

Be sure to watch until the very end for a very tear-jerking scene :')

And while you're at it, watch the related live-action short science fiction film "Ambition", starring Aidan Gillen: https://youtu.be/H08tGjXNHO4?si=wtEWdv6OmX5y7-eg