You're entitled to your opinion, but for many, the night of ascension is a holy night.
Takes faith to believe in Islam, and since you're not a religious person, I am under no compulsion to teach you the reasoning behind such a journey. BUt I'm a nice guy, and so I will.
Oh, and if you had actually read anything about the Night Journey (Ascension) then you'd know that the pagans of Makkah tried to disrepute the Prophet pbuh by claiming he was "crazy to fly on a winged horse" the word they used was "majnoon" which means "mad person" ... do you know how Muhammad pbuh proved them wrong?
I'll tell you.
On his night journey he notices a caravan coming from Syria to Makkah en route, and he told the pagans of Makkah about that caravan, and its stock and goods, the people in it, and other details which could not have been known from his location in Makka... he also described Jerusalem in great detail, even though he himself had never been there before his night journey... he went on to describe many things.
The pagans of Makkah - upon learning that the caravan which Muhammad pbuh had described leaving Syria for Makkah had arrived, quickly hid themselves in their houses out of embarrassment.
Sure, this was a mythological story
*sarcasm
Scimi