The biggest curse of this forum, IMO, is brand loyalty...
As I've said many times, these are NOT our grandkids. They are keyboards. Made without consulting us (the customers) most of the time. And rarely perfect...
But you will seldom get anyone to admit this. Even those that hop from one arranger to another will seldom criticize an arranger while they use it, and often, not even afterwards. We are SO afraid of talking about the flaws (many deny ANY exist) for fear, perhaps of looking foolish for having bought it that often important issues get denied, defended or ignored.
But it is WE who really need to talk about such things, and to make potential customers aware of the limitations, and to make industry lurkers (if you made arrangers, wouldn't YOU lurk here to get a finger on the pulse?) aware of what our needs and priorities (and diversity) are.
You want to get worked up about something? Get worked up about your PLAYING, or your choice of music. But rushing to the knee-jerk defense of your buying decision, and being unwilling to admit ANY flaw is counter-productive. An arranger's STRONG points are debatable, different people have different priorities, but an arranger's WEAK points should not be hidden, as they effect us all...
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An arranger is just a tool. What matters is what you build with it..!