They are asking for them out of increased awareness of their market value.
In the end the market will sort this out, and some developers will inevitably be left disapointed.
However, I think it's quite reasonable that techies of all skill levels are pushing for and often achieving the salaries and working conditions that they want.
(I really don't see how asking for telecommuting is entitled by the way. I would love to do it for quality of life and productivity reasons, but that is completely divorced from how well I rate myself etc.)