The Sports Show offers anglers and pleasure boaters a chance to see what's new in the boating industry. So it's actually even faster than if it were narrower, so it actually ends up more fuel-efficient, also.
Wider boats are also more comfortable boats.
And besides being more practical, it's just a style. Boats today are wider, that's the style. Style has always been a form of function. One of the most important functions in a new fishing boat today is a live well. That's where wider comes in.