How conservative the Japanese people really is? And the government?

“None of my business” is the common attitude.

We don’t instantly tie it with sex when a father and his very young daughter are taking a bath together.

How do you see these below?

Sega Throws Shade At Mario Kart While Showing Off Sonic Racing: Crossworlds - Kotaku

They don’t have the value that “guys must be macho.”

Visual-kei

Moreover, buff guys are often avoided for their narcissism.

Does believing in God and Satan cause schizophrenia?

In the old era, gay relationships were very common and were even praised among the privileged social classes, such as Samurai and monks.

It’s very common for a girl/ woman to ask a boy/ man to be her boyfriend.

Yaoi

What is the degree of influence of Saudi Wahhabism on the modern Muslim world?

They don’t have the so-called “couple culture” seen in many Western countries.

I sometimes feel people from the West are obsessed with those “gender” and “sex” things too much. Let’s think about something else sometimes. It’s unhealthy.

They don’t tease or beat up cross-dressed people on the road.

What is the worst thing your sibling has done?

They were very similar to the bromance of today but accompanied by sexual intercourse.

This is a very vague question. But considering the asker’s comment on Mr. Nakajima’s answer, your interest seems to be in sex-related matters (I don’t think it’s the only indicator of conservative/ progressive, though).

They don’t bring around their mates everywhere, which means they don’t worry about being single, gay, or whatever because no one cares about whom others are having/ not having sex with.

Ryu Ga Gotoku Studio's Project Century Gets A Strange New Title - GameSpot

I’ve heard it’s always the male side that is expected to take a move in some countries. It’s not the case in Japan.