I have mixed emotions on this one. I do not fly very often, especially long distances. Flying in itself has its own unique challenges. One of those challenges is coexisting with other humans. I get it, they are trying to go from point A to point B just like myself. I try to be considerate of others. I do not want to encroach on their space. Since I am still a bit fluffy I try to make sure I am not touching my seat mates. Doing Yoga poses in the aisle seems a bit much. I understand that the seats are cramped and we need to move around. Doing Yoga poses seems a bit much. As long as they are allowing people to move around the aisle when they need to I guess it is permissible. Until five other people decide to do the same thing.