I think the idea is thst you get to pick and choose from the 'dust': if you have a perfectly Kolmogorov-random string, it's still trivial to go jumping from one

I think the idea is thst you get to pick and choose from the 'dust': if you have a perfectly Kolmogorov-random string, it's still trivial to go jumping from one bit here to another it there like so: 10101010..., or in any other, however complicated pattern.