Humane's head engineer defends its Ai Pin against scathing reviews, but admits it's 'frustrating sometimes'

• Humane's Ai Pin received some harsh reviews, sparking a response from its designer on X. 
• Head of product engineering, Ken Kocienda, said people are jumping on the "skepticism bandwagon."
• The device has been described by some critics as "unfinished" and "not that useful." 

Humane's Ai Pin designer quickly defended the device after it was hit with several savage reviews.