Earlier quoted context omitted.
I'd argue it's at most a tiny bit harder to read, and a lot easier to type. On balance I'd rather avoid making a pinky key one of the keys I have to use the most.
Having used a lot of all the formats, it's argue it's a lot easier to read an a tiny bit harder to type. For typing it's basically just an extra `-` because unless your alternative is nocase. For reading, CamelCase has 2 significant ambiguity issues: similarity between I and l, and what do you do with acronyms. Acronyms wouldn't actually be a problem if everybody just wrote them would in snake_case (i.e. only capital…
And if CamelCase is so hard to read, why is it the norm for "high level languages"? Shouldn't those be optimized for ease of use?