summarize the main idea. "Harmful content can have severe psychological impacts on existing users, leading to mental health issues, increased stress, and a toxic online environment. This not only affects individual users but also influence significantly on levels of business. A hostile community deters new friendly users from joining, which influencing realationship between potential customers and firms, leading a bad effect on the long-term development of firm. Additionally, the compliance cost may increase several times if we intend to deal with the problem in the future."
Harmful content online can cause severe psychological harm to users, creating a toxic environment that deters new users and negatively impacts business relationships and long-term development. Addressing this issue later can also lead to significantly higher compliance costs.