The Gnome developers intent Gnome3 to be used on resource limited devices and limiting developers to use the tools that are best for user experience is the best way to success(see iPhone).
Gnome3 focus hopefully is more on user experience than on developer experience. In the long run users are much more important. Even developers will cope with crap if the user experience is great.
It's FOSS so you could do whatever, but I hope the Gnome devs have the foresight to not encourage slow bloat.
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