I’m guessing
Each key can have its own velocity curve
Each key can sense left/right pressure and forward (pushing) pressure.
And it’s very square
And they’ve made stuff up to claim a patent that in reality isn’t so special ?
And it’s very expensive.
And they’ve given them to well know musicians / influences in exchange for positive comments.
And I’m very skeptical/cynical at this time of day.
And it’s probably very good.