Me either. Not yet, anyway.
The primaries, if they aren't bunched together too closely, allow previously-obscure candidates to become well-known. In the last 30 years several of the eventual nominees were almost unknown to the public at large a year or two before the election (admittedly, this has happened more often with the 'Rats, but no one knew in 1987 that George H. W. Bush would be the 1988 nominee of the Republicans, or in 1999 that George W. Bush would win the nomination in 2000). A candidate with a good message and a suitable personality, who is able to assemble a competent team to win the primaries, can get nominated even if his name recognition is below 5% 18 months before the general election.