> Support everything into eternity
'Eternity' overstates it. Plenty of vendors support projects long after they are obsolete. IBM supported OS/2, released 1992 and a marketplace flop, until the end of 2006.
That means that if I need something to be around for awhile, I'll count on IBM and not Google. Google has the perogative to make that choice, of course, and long-term support generally is associated more with the business market than with consumers. Party that's because it costs more for businesses to change, partly IMO because consumers are poorly educated customers.
EDIT: It's a little odd to see this very normal comment modded down to -1 (now -3!). Another perfectly fine comment was modded down to 0. I don't care about the points at all, but it supports my instinct that some on HN are trying to protect Google. Employees? Fans?