While true, but it would still be bad. the dollar's fall can account for only a 20% increase in the price of oil.
If we had a stronger dollar, the price of oil wouldn't be quite as bad. A week dollar didn't help matters back in 2008.
Dollar vs Euro
Of course there are other factors, such as world wide demand for oil. The Chinese are adding 10 million cars a year. In a few years, they are likely to surpass US auto sales..