The problem with escalators is, that the steps are usually higher than those of stairs, as they are not optimized for walking. If you are very tall, this makes

The problem with escalators is, that the steps are usually higher than those of stairs, as they are not optimized for walking. If you are very tall, this makes little difference, but for not so tall people, using the steps of an escalator is a bit uncomfortable. As a consequence, I usually step them only on very short escalators or when I am in quite of a hurry.