See here for a way to manufacture 10 night per meeting economically, especially in greater ATL IIRC.
Platinum Status in Eight Days and $800 - No Stays Required
As for the worth, that's very subjective and IME, a Marriott property by property dependent delivered perk.
And as we enter a brave new merged world (and have a over-payed acquisition to pay for), I surmise cuts have got to be coming after the initial combination. But I am of the sky is falling camp...