Unfortunately, in the real world of the wilds of Northern Australia, few pilots use written checklists, and for those CPL pilots who get their first job flying C210 into bush strips, or those in New Guinea doing 25 landings a day in a 206, there is simply no time for the leisurely reading of checklists.
Pilots brought up on a diet of read and do written words are going to get a culture shock when the boss says get this show on the road and cut the crap with checklists.
If the active use of GA checklists were that vital to safety as some correspondents insist, then surely the Air Safety authorities in NT and New Guinea would legislate for them.