I find it interesting that the poll allows you to select all four of "yes", "no", "Yay and nay" and "I haven't thought about that". Shouldn't those choices be mutually exclusive? What would it mean for someone to select all four?
Anyway, he's absolutely the best in the world at what he does. If he retired from the blog, who else could step in and fill his shoes properly? Nobody that I know of.
That doesn't mean I don't occasionally catch little mistakes, nor does it mean that I heartily enjoy the style of every video. There are others who have some overlapping talents, and some who can explain certain concepts better. There are some who can get a point across with more brevity.
But he's got a combination of natural teaching ability, real-world industry experience, integrity, and style that I haven't seen displayed anywhere else.