King of what? The music tech ecosystem of which NI currently holds the crown.
Arturia does - Hardware Synth, SoftSynth, Drum Synth, Sequencers, Midi Controllers, Audio Interfaces.
What’s missing? - A competing standalone solution to MPC/Maschine+/Push3.
I hope there’s a lab room somewhere building a concept, innovating on market interest. And I totally understand not pushing out a product due to lack of affordable performance components and advanced thermal design. Don’t underwhelm us. I’m just here to root for the idea.