It's very odd, isn't it? Especially considering that Disneyland Park has more than double the parkwide ride capacity that Magic Kingdom Park does. Logic and basic math would dictate that would mean Disneyland Park could get away with being open fewer hours per day than Magic Kingdom, but it's the exact opposite. Especially with DCA having an
additional 24 rides/shows only about 100 yards away from Disneyland's entrance.
And just for
Tiana's Bayou Adventure alone, if it has to spend hours each day closed for technical problems, an additonal 3 or 4 hours of parkwide operation per day would not only give it more hours to operation successfully, but would allow that specific park to have higher customer ratings overall on days that TBA was closed 10+ hours.
A very odd situation the brain trust in TDO has spreadsheeted themselves into at WDW's thinly developed parks.