Why it worked
The video taps into a popular cultural icon (Iron Man) and showcases the intricate process of engineering and creation, appealing to a DIY and maker audience. The 'grinding' aspect suggests dedication and passion, which resonates with creators and hobbyists.
Summary
The video shows two engineers working on building an Iron Man-inspired robotic suit. It features close-ups of soldering, coding, and assembling various components, culminating in a glimpse of the suit's lights and a hand wearing a part of it.