With 50 years as a HAM and over 40 years in communication, radar, and other EM endeavors, I can say that a good antenna makes all the difference.
What each individual believes or does not believe is their option as is what they spend.
For me to reduce drop outs by 50% on my XM Radio and increase signal strength was important, to other it may not be.
Whatever floats your boat.
And as stated by an other - with a passenger, all bets are off. When the wife is on board I use an iPod
AJ