This doesn't read as anything close to "shilling" to me. It compares lazy evaluation to copy on write, then brings up a drawback of lazy evaluation with absolut

This doesn't read as anything close to "shilling" to me. It compares lazy evaluation to copy on write, then brings up a drawback of lazy evaluation with absolutely no claim that the benefits outweigh the downsides. It certainly does not appear to be pushing anyone else to use the language.