Lights dimmed for take off and landing - agree with 100%. At least now people will have some night vision if $hit hits the fan.
This is not a factor. Normal eyesight takes only seconds to adjust in such a situation - having the lights bright or dim does not change that.
Dim/Bright lights could be another thread ...
And for the record, yes $22 is a bit over the top, expecially for short regional sectors.
