Comment by cpach

”Hand someone who’s no knowledge of ASCII some ASCII bytes, and no compliant editors, and see how hard it is to figure out they're dealing with the English alphabet.”

It would not be impossible for them to determine that the bit patterns 01100101 and 01110100 are a lot more common than, say, 01111010. But probably harder if they didn’t know that the bits are supposed to be divided into groups of 8.