This is not speculation but something that happened in the past.
Roland had the G1000 (which was 76 keys). Most of their next arrangers up to the G70 were 76 keys. If there were no market do you think they would have made the newer keyboard 76 keys?

Korg made the PA1x pro (76 keys). The successor to that was the PA2x pro (76 keys). If there were no market do you think they would have made the PA2x pro?
Ketron made the SD1 (76 keys). The newest flagship (Audya) was 76 keys. Do you think they would have made their new Flagship 76 keys if they did not think there was a market?

Lionstrack made the Mediastation. The first MS had 76 keys.
So there is your research done already. Diki does not have to do anything more. The work has already been done.




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TTG
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TTG