Many people don't want to spend $250/mo on gas. Whether they do or not is separate.
I had a Nissan Pathfinder once and it was okay when gas was $2-2.50/gal (16 gallon tank, $40/wk, $150/month). Once it got to $4.00/gal damn right I found alternatives to driving that Pathfinder. The 20 minute walk to the store in the hot, Florida sun didn't seem so bad anymore.
I have many friends who bought SUVs (for the "utility") and commuted way out from the exurbs. They had no choice but to eat the cost of $100 fillups while looking for cheaper alternatives.