And it must be pointed out that it was game show lover Lin Bolen who made the call to expand "Another World" to an hour, thereby setting in motion the expansion of more soaps to an hour and effectively shunting game shows to the morning hours, since conventional wisdom was that soaps didn't work in the morning.
And it also has to be remembered that this was about the time the other networks joined ABC in paying more attention to demographics--and then, as now, game shows skewed ancient, with an influx of little kids during the summer months when they were off from school.