Touchscreen computers are recommended for any type of user. These days there are many devices that use a touchscreen, so you are obviously already aware of some of the advantages they offer. However, touchscreen computers are particularly useful for graphic designers, video and photo editing and industrial design.
They are also very useful for architects and engineers, and suitable for various educational applications. Seniors love how intuitive touchscreens are to navigate, as they are sometimes not very familiar with using a mouse.