English pronunciation does vary quite widely and it would be difficult to rewrite all the books and websites into all the different accents. It's also decentra

English pronunciation does vary quite widely and it would be difficult to rewrite all the books and websites into all the different accents. It's also decentralized - there's no authority to tell the English-speaking community how to spell things or how to say things. I think these are both advantages that outweigh the phonetic inconsistency.