Iqbal Qasim says that foreign coaches have always failed to deliver in Pakistan cricket because they towed the line of the captain to ensure job security and had nothing to add to the team.
Qasim said the victory, achieved inside four days, should cheer up Pakistan's passionate but long-suffering fans.
The 41-year-old Moin Khan takes over from Iqbal Qasim, who stepped aside earlier this month in a move seen as a reaction to the team's miserable performance in the Champions Trophy in England.
The 59-year-old former Australian batsman, who took over as Pakistan coach in March last year, said his tenure had both good and bad times. "I rate my performance as one that is very difficult to judge in win-loss ratio," said Whatmore, under whose coaching Pakistan have won 12 one-day matches but lost 13.
Iqbal Qasim was relieved of his duties after extending his tenure from April to July. Qasim led the selection committee which on Wednesday named one-day and Twenty20 squads for this month's tour of the West Indies.
Local media has regularly speculated about differences between Qasim, Pakistan cricket captain Misbah-ul Haq and coach Dav Whatmore, and Twenty20 captain Mohammad Hafeez over selection, but Qasim denied any rift.
All-rounder Shahid Afridi has returned to the Pakistan squad for its upcoming tour of West Indies while former captain Shoaib Malik, wicket-keeper batsman Kamran Akmal and opener Imran Farhat have been axed.
The former Test spinner Qasim has faced calls for his resignation following Pakistan's three straight losses in the eight-nation ICC Champions Trophy in England.
After recalling Afridi in the One-day squad for the series against South Africa, chief selector Iqbal Qasim had said the all rounder will have to justify his selection by putting up a good show.
Pakistan are due to tour India from December 22 to play two T20 matches and three ODIs.