Why the hell do they exist?! If developers are aware that its a risk, and ratings for their products could be so frigging awful that its canned. Even when the product is successful, its 50/50 chance the company will say "LOLFUCKTHAT" and do some other shit.
What endings, you may ask, well, these endings...
Move to 12:10 for the ending on v
https://www.youtube.com/watch?v=W2kbGFF7nEc
Ambiguous in the sense that we never got a carry on of this Zelda timeline
https://www.youtube.com/watch?v=qhDDxNlvBWs
https://www.youtube.com/watch?v=Qi3623xp3Os
https://www.youtube.com/watch?v=gwkZZD6rCCA
https://www.youtube.com/watch?v=jmPeUuba5Bw
https://www.youtube.com/watch?v=RrvDenYGICM
https://www.youtube.com/watch?v=UWrntlNuSbU
What do all these endings have in common? They ended on what appeared to lead to a sequel (even if we didn't want one), and/or a glitch never happened in developments of a sequel causing its cancellation, sometimes they were cancelled for the hell of it.
Comment below on opinion, or specific ambiguous endings to films or games you hate.