The value judgment of "not worth it" is relative to perceived improvement in getting a new phone, but for many people the judgment is "can I get a new phone for $69?" Outside of carrier subsidies in the US, that's still not possible.
>>nsriv+(OP)
But you can get a better phone with great battery life for 250$. Motorola and many other manufacturers sell perfectly usable devices with 5000 mAh batteries for that price.