I think the only way they will sit up and start paying attention is when a group of us Samsung customers get together and file a common complaint in the consumer court listing all our grievances and legally ask them to respond. That will get the media's attention which can and will hurt Samsung's reputation worldwide.
"Hello and welcome to the Samsung Community. Please provide us more information about the device and concern. Can we get the exact model number and Baseband (both under Settings>About Device) for your device? This will better allow us and the community to assist you both now and in the future"!
