Full video on YouTube
I came across this YouTuber's channel due to the Quantum TV drama which I never heard of and that's how I found his video.
Now, unisex toilets do exist and those are perfectly fine, but to say "Makes no sense to have separated toilets" is just utterly absurd and illogical because there's a reason men and women's restrooms are kept separated.
Women for example, are disadvantaged when dealing with it because no matter what it's not normal, so they're naturally uncomfortable using it, afraid if there's men around because they simply don't know them (and to avoid sexual assaults where possible), women don't use urinals, and moreover, men's toilets tend to be dirty and smelly while women's toilets are generally nowhere near as bad. And... There'd be a bigger queue for people to use it.
All of this reminded me of Cartman being gross using girl's toilet: