There are those that think that Wersi's are worth the money too (and E80's, but that's another story!), but there aren't enough of them for the company to start making inroads into any of the major's sales figures.
If Ketron don't mind becoming 'boutique' arranger makers like Wersi and Bohm and Lionstracs, then being financially competitive isn't really important. But R&D isn't cheap, and getting dealers to stock overpriced arrangers is getting harder and harder (can't get most dealers to even stock the majors, these days!), and they need to be cautious they don't get undersold...
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An arranger is just a tool. What matters is what you build with it..!