In videos where multiple people are talking at once, clear fonts help the viewer track who is speaking.
primarily uses the font for his video subtitles and captions.
If you are trying to replicate this style in editing software like Adobe Premiere Pro or CapCut, adding a and a drop shadow to these fonts is essential to making them "pop" against the video background.
Uni Sans Heavy Italic is the most recognized font associated with his high-energy, fast-paced editing style.
The primary font that isaacwhy uses for his video thumbnails, logos, and on-screen graphics is (specifically the Futura PT family).