>>Because large parts of the muslim populations live in places like Indonesia, Malaysia, India, Pakistan, China, Bangladesh - and from bird's eye - they don't seem to care much about sectarian struggles.

Not so much anymore. With the Salafists/Wahabis spreading their hateful agenda against the Shias in these parts of the world in a very big way, there are numerous incidents of mainly Sunnis attacking Shias and a little bit of the other way round too.