Because you or Yamaha Marketing say I am? I guess that is all we need, eh?
I mean, a shred of evidence would be overkill, wouldn't it?
The NP-V80 does NOT have a piano-like keyboard. Play one if you don't believe me. It is as flimsy and as plastic a keybed as you are ever likely to get on any arranger. My G70 is FAR more piano-like (by comparison)... Hey, I guess, if your definition (and Yamaha's) is correct, all these years of telling me I have a home arranger were wrong, weren't they? Apparently, I have a Piano product!
Sorry, Ian, but you are going to have to back up your assertion with maybe a FACT or two, before simply calling me wrong is anything more than egotism... I bring up point after point, you completely ignore them, and then go on to bleat the company line ad nauseam. To quote Monty Python
'That's not an argument! That's just contradiction!...
'No it isn't....!'
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An arranger is just a tool. What matters is what you build with it..!