Is Time Management a social responsibility ?

In my experience,

1. On average 5 -7 min is the wait time in a conference call before all participants joins.
• Assume 2 such calls ~14 min of your productive hours.
2. On average 7-10 min is the wait time in a meeting room for all participants to show up.
• Assume 2 such meetings ~20 min of your productive hours.
3. How many times people don't accept or decline a meeting request, making you to prepare, show up and cancel for not having the right people in the room ?
4. If Above all is true possibility, What's the guarantee people come prepared for a meeting ? No wonder why many meetings are non-productive. Sometimes context setting takes the whole meeting by itself.

It might look like an exaggeration, observe how much time of yours is wasted every day by someone else.

" If time management is my self discipline, How does someone else get to influence it so much ? "

People tend to forget the fact your time management and disciple has an impact on your entire team. 

In few workplaces, these bad practices are accepted as way of life, "it's ok", "it's always like this", "so be it"...