Diki,
if you like your G70 (or PA1X)- good for you. However, I believe that the keyboard manufacturers can do better, which is why I have (and will probably continue) to voice my opinion when I see things that where not done right or could be done better.
There is indeed a lot of information that must be accessible, but not all of it needs to be accessible in real time. In your G70 there are thousands of sounds, but they are layered in the banks to support legacy MIDI files (the SC55, SC88, SC880, etc.). I bet you only use a few dozen sounds in your music (if you are playing live), and if not, you could probably get away with this many.
In Windows applications, better programs provide all functions through the menus, but also alternate access for the frequently used functions (either with right-click menus, or key combinations, or both). This stems from the understanding that there is a subset of functions that is more important than others. The same is true for the keyboards. Regrettably, Roland and Korg choose to ignore this fact.
When someone does things poorly and you tell them, they may or may not improve in the future. But if you don't talk about it, they will for sure not improve.
For this reason it is important for us to let the manufacturers know when they missed out in addressing our needs.
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Regards,
Alex