Their marketing division might be shady, but they also make very solid devices. I've had my s3 for awhile and haven't felt the need to upgrade at all since it still performs super well.
As an Android developer I really appreciate what Samsung did in raising the bar for Android devices, and really bringing them to the mass market. High quality Android devices have been around for awhile, but it was far more common to see most people walking around with the low-mid tier Android phones. Samsung made it "cool" to own an S3, and now you can release and know that many of your users will actually own a solid Android device.
As an Android developer I really appreciate what Samsung did in raising the bar for Android devices, and really bringing them to the mass market. High quality Android devices have been around for awhile, but it was far more common to see most people walking around with the low-mid tier Android phones. Samsung made it "cool" to own an S3, and now you can release and know that many of your users will actually own a solid Android device.