It gives "Nasa 33% of its results for less than 2% of its budget." Of course it’ll be retired. We can’t have cost-effective equipment operated by the government. People might start expecting it all the time.

Eyeing a post-Hubble Universe
By Rachel Clarke

"Not since Galileo turned his telescope towards the heavens in 1610 has any event so changed our understanding of the Universe as the deployment of the Hubble Space Telescope."