Richie wasn't gay in the novel 'It'. The author didn't present his character in that way. The plot centered around other elements rather than Richie's sexuality.
Whether Richie is gay in the novel isn't always straightforward. It could be left ambiguous for the reader to interpret or could be revealed gradually as the story progresses.
Angst fiction, well, it's basically about exploring the darker and more troubled aspects of human emotions through fictional stories. For example, a story might be about a young person struggling with self - identity in a cruel society. They face a lot of angst because they don't fit in and are constantly at odds with themselves and the world around them. It can be a very powerful form of storytelling as it delves deep into the human psyche.
Angst fanfiction is a type of fan-written story that focuses on intense emotions, often including feelings of anxiety, stress, or inner turmoil for the characters.