Should E-sport really be considered as sport?

Yes:

1. Very competitive, with a clear target to achieve. Just like common sports, all e-sport players compete to win.
2. Clear rules. Just like common sports, there are clear rule for e-sport players, for example, no peeking at the audience's screen.
3. Requires similar physical attributes. For example, both e-sport and common sport (basketball) require reflex, eyes-hands comprehension
4. A lot of training involved. Professional e-sport players often spend 10-12 hours a day in practice. Very similar common sport athletes effort-wise
   No:
5. Only a small part of your body is used, which is very unlike sport
6. Too much digital devices involved, which mean it is very unnatural. Ancient Greek would see sports as a form of displaying natural beauty