Labeling sexuality as a phase suggests that it is something through which one will pass, emerging on other side as heterosexual. This frames anything other than heterosexuality as being flawed and suggests that there is something undesirable about being LGBT+.
Universal Design (UD) is an approach to design that increases the potential for developing a better quality of life for a wide range of individuals. It is a design process that enables and empowers a diverse population by improving human performance, health and wellness, and social participation (Steinfeld and Maisel, 2012). It creates products, systems, and environments to be as usable as possible by as many people as possible regardless of age, ability or situation.