Good thing they're going to add advertisement to the Maps app.
They really need the cash.
Not being greedy at all
eternal growth is the name of the game for public companies, and if Tim Cook won't do it, the board will replace him with someone who will - even if it leads to the eventual destruction of what made the company unique or great, which it probably will.
This is more of a structural issue of how financial markets work than something that arises from individual people.
The philosophy is extraction, extraction, extraction until everything is hallowed out, and then the investors move onto the next company (i.e. extraction mechanism).