Yes it is an undeniable fact that we will not run out of oil. The limits to oil use are rate of production and cost of extraction, not absolute amounts. If we made it a point to consume all oil regardless of any other factors, sure we'd run out of the limited quantity in existence, but this is not relevant in an economics discussion

On the one hand, we have every credible person on the planet, who all say geothermal can't scale. On the other hand, we have WrongBonga (cheers Hoop), whose greatest musings come over a bowl of electric lettuce