The economy can function on $150 oil after a period of friction, as it is not an inflation-adjusted all-time high. However, once oil gets well into the $200+ range, things start breaking down. The US economy is already in a K-shaped recovery, and higher gasoline prices put immediate pressure on lower-income consumers.
The US economy is more resilient than many bears think due to large fiscal deficits and high-income spending. However, developing countries like Egypt are already facing severe pain, such as rolling power outages due to higher natural gas import bills.