These two things have led to the forming of one of the most Powerful villages in the Narutoverse.
The Uchiha passing on the Curse of hatred, while the Senju passed on the Will of Fire.
Most Konoha ninja have inherited the Will of Fire ranging from the Hokage all the way to the Genin.
The Curse of Hatred was originally only from the Uchiha but extended to all ninja that felt they have been wronged out of a goal. Examples are Danzo,Oro and Mizuki.
Which do you think has a more lasting effect and will outweigh the other.
Curse of hatred vs Will of fire.