I'll edit my responses here...

A small anecdote here: I read a few days ago that apparently, Alzheimer's patients get their daily routine and circadian rhythm knocked around by this policy

Edit 2: It's funny how people are talking about time, as if this were my 2nd post of discussion on why time measurement is bullshit, on my account...

Some memorable replies here:

another point is that it's probably not great for animals with a strong internal clock

Do not make me get up an hour earlier I will fucking cut you.

On the other hand it is nice the park is open later but have you considered just adequately lighting the park bike paths?

it's bad and we should commemorate the inventor with a public toilet