So, I often send out emails regarding how to improve the team's work and productivity. Usually 2 coworkers (out of ~10-20), at most, will submit their opinions. The pattern I have discerned is this:  

* The laziest (i.e not outright lazy) coworkers will not engage in this discussion 99% of the time
* Ultra-busy coworkers will not engage in this discussion 80% of the time
* Managers/coworkers not in my core team (i.e people from adjacent teams in the same department) basically never bring anything to these discussions unless it's in their main scope of responsibility

**My problem:**  

Ignoring other coworkers' plight is disrespectful to the team. Ignoring the team under-performing is disrespectful to each member in the team and all teams who depend on said team's productivity.

**My goal/question:**  

1. Is there a way to make coworkers feel more responsible/engaged in the team's workflow?
2. OR should I simply find a way to cope in this culture of coworkers not bothering?