Oliver first tried to figure out what such a border wall would cost.
So its a big dumb thing that only gets more expensive over time, Oliver said.
Its like getting a pet walrus.
Credit: HBO
You think its stupid now, wait until you learn what a bucket of sea cucumbers costs.
This may be my second language, but I want to make absolutely sure you fers understand it.
So given all these costs and difficulties, would a wall even be worth it?
A wall wouldnt stop that.
Its like wearing a condom to protect against head lice, Oliver said.
You could do that, but thats not really how you keep the thing youre worried about from happening.
Oliver then announced a counter-proposal.
I know what youre thinking: John, this is a stupid idea, but is it?
Is it, really?
Yes, obviously it is.
But is it significantly stupider than Donald Trumps wall?
Watch the full clip above.
