Much focus is always placed on the success of Final Fantasy throughout the so-called Golden Era of Square, but many other games were produced during this time.
The company, however, was in a huge period of transition and the performance of those games, and changes in company policies, led to many seeking careers elsewhere while others created their own companies, vowing to make games their own way. This is their stories.
But the shape in the thumbnail is a triangle!
I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy: