“Someone re-writes it in an afternoon in Python but it only works and scales if sub-feature “x” gets left out. 98% of users don’t notice, 1.9% of users form a protest #hashtag on twitter. 0.1% of users argue about the merits of scaling in PHP vs Python vs Their Favourite Language, they write a blogpost about it (using their own blogging platform they wrote themselves in 1997) slashdot links the post and ironically declares the original site “over”.”
—A user’s guide to websites, part 1: If it wasn’t broken why fix it?