It can look like that in certain conditions. The question is why are you so eager to give critique on unrelated work, appearing in a demo screencap, to someone who didn't produce it?
To be honest I assumed it was the screencap software running a basic terminal env without bells and whistles that CC needs, which I've seen before. If the actual tool functions like that too, that's not great. That said, it works for them, it works for them.
His tool wraps Claude and breaks the TUI. What's so hard to understand?
That's valid critique. What world have I woke up in today?