I am doing the Java courses and have had some difficulty following some of it, because the screen is cutoff due to it being zoomed in by Mosh. In one of the lessons, I struggled for the simple reason that I could not see what was on the right hand side of the screen. I wasted time trying to figure it out doing google searches and on stackoverflow. For beginners, it makes it difficult. Maybe it is done that way so someone viewing this on a phone can see, but it really hampers others and detracts from the lessons as we are only able to see a small portion of the edit window.
Maybe have a separate video for mobile devices if needed to zoom in for them, so those watching on a computer or large screen can get a clearer understanding and see the entire screen and not lose details.