However, not all designers are aware of how their choices affect accessibility. Universal design is design that involves conscious decisions about accessibility for all, and it is a philosophy that should be adopted more widely by digital humanities scholars.
Universal design is such a great idea, but I also think it is way harder to achieve than we think. Nonetheless, it's important that tech writers start to develop content having the idea of universal design in mind and trying to meet as many needs as possible. For example, providing videos for the deaf and hearing aids for the blind.