People without CS background who don't see where it would be useful
People with CS background who don't know how to use it
People without CS background who realizes where the science can be useful.
People with CS background who know where and how to apply it to every day problems.
Unless someone is building forms all day long (and even then), it's going to be useful. Sure, you can build apps without it. but they'll be mediocre instead of good.
People without CS background who don't see where it would be useful
People with CS background who don't know how to use it
People without CS background who realizes where the science can be useful.
People with CS background who know where and how to apply it to every day problems.
Unless someone is building forms all day long (and even then), it's going to be useful. Sure, you can build apps without it. but they'll be mediocre instead of good.