Why Hogwarts needs Slytherin house

As far as Hogwarts’ history appears to stretch, Slytherin always stood out from the other houses.

Hogwarts - Wikipedia

Do We See Ourselves as the Hero? — Story Internalization as Explored through the Hogwarts Houses, by Adron Buske

Hogwarts Legacy house differences: what happens after sorting

Are people that got Slytherin out of a Harry Potter survey more likely to be evil? - Quora

What house should you choose in Hogwarts Legacy? Gryffindor, Slytherin, Hufflepuff, or Ravenclaw - Meristation

Slytherin House, Ashes of Chaos Wiki

Harry Potter: 5 Reasons Hogwarts Needs Slytherin (& 5 The House Should Be Eliminated)

How I Came to Terms With the Hogwarts House I Never Wanted

Harry Potter House Symbolism: Slytherin

LEGO Harry Potter House Banners: show your Gryffindor, Ravenclaw, Slytherin, or Hufflepuff colors [Review] - The Brothers Brick

Who Would Harry Potter Vote For? 5 Traits of Each Hogwarts House - CivicScience

I kinda wish the books/movies had held back a bit