That's a very nice point and thanks for making it, but based on the empirical evidence I think that you're wrong. There are many very good programmers who don't

That's a very nice point and thanks for making it, but based on the empirical evidence I think that you're wrong. There are many very good programmers who don't use syntax highlighting. But I don't know anyone who is not using indentation. So there has to be an important difference between the two.