I think it's interesting as a project, but it's too heavy, a little expensive, has too many steps to fold; in the end we'll see how it goes on the market.
Comparison with Brompton:


However there was already a 20" bike with vertical folding, and it was more compact. Nyfti Raio 2.0 (35 x 45 x 75 cm)35
x 47 x 75 cm.35 x 47 x 75 cm.