Trust me, montunoman, I feel the same way about much of the American music styles in modern arrangers! Watered down, elevator versions of pop and rock and R&B.
Don't feel singled out as a contemporary Latin fan!
It's just the end result of who the arranger is marketed for... home players of limited talent, and 'entertainers' willing to work with a machine rather than other talented musicians. Plus, let's face it, giants make the music in the first place, and lesser mortals make the styles based on those giants. You are always going to lose much in translation!
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An arranger is just a tool. What matters is what you build with it..!