Well, afaiu Mer/Nemo (similar to MeeGo CE) aims at providing a full Open Source smartphone/cellphone OS.
No, it is better to scare of potential devs calling them dead-end guys and hope nokia will save us.
Why did we scare of meego/openpandora devs? Do those responsible now feel superior, or do they now sign all their posts: sent from my uber android phone loosers!!! ???