I've been dealing with Stihl for well over 40 years. Selling cost has nothing to do with anything.
Sounds like the whole episode was mishandled from the beginning. They have NEVER, ever rejected a special circumstance situation that I can remember. If presented to them in a rational, intelligent manner, the problem goes away. Was that even done? Its the dealer responsibility. Your problem sounds to be at the dealer level. Not corporate. I can't ever remember seeing an internal failure, caused by a true defect in a 1128 powerhead.
It's just amazing how everyone jumps on the band wagon, disregarding any possibly that there's always
two sides to a story.
Doesn't matter which company is targeted. The rhetoric is always the same.
It's on the internet, so it must be true. LOL