Just a while ago Zero was confirmed to be not a part of the main Fate series, but merely a spin-off.
But anon, there's no rule saying a spin off can't surpass the main series.
Top are in-house TM projects
Everything else was made outside of them.
Consider this. Female Shirou is confirmed canon. So is male Rin.
Zero would have been better with Kiyohime as the berserker.
I like Evanjellyon suit more. I give Hogwarts credits for including shorts.