Total oxidation of toluene free enthalpy
Your problem is that you are trying to calculate a kinetic property (spontaneous versus nonspontaneous; on a compound level that’s inert versus reactive) with thermodynamic data (exergonic versus endergonic; on a compound level that’s stable versus unstable).

Thermodynamically, we should all be carbon dioxide and water, as should any other organic compound. However, the activation energy of combustion of organic compounds is rather large. Thus, while the reaction is thermodynamically favourable, it is not spontaneous in the absence of activation energy.