If you want to know why Lisp doesn't win around you, find a mirror. - Erik Naggum

Getting C programmers to understand that they cause the computer to do less than minimum is intractable. … Ask him why he thinks he should be able to get away with unsafe code, core dumps, viruses, buffer overruns, undetected errors, etc., just because he wants "speed".

If the syntax is good enough for the information, it should be good enough for the meta-information.

They are not identical. The aspects you are willing to ignore are more important than the aspects you are willing to accept. Robbery is not just another way of making a living, rape is not just another way of satisfying basic human needs, torture is not just another way of interrogation. And XML is not just another way of writing S-exps. There are some things in life that you do not do if you want to be a moral being and feel proud of what you have accomplished.