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

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

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

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

Which album is your favorite that's now 50 years old (from 1975), and what's the best song on the album?

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 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.

“None of my business” is the common attitude.

Why are most girls not open to the idea of anal sex?

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

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

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

Can you explain the difference between fissionable and fissile materials and their role in nuclear power reactors?

Yaoi

Visual-kei

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

Which type of physical cable has fastest transmission speed?

How do you see these below?

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.

Moreover, buff guys are often avoided for their narcissism.

The world of the Harry Potter series is usually considered bad worldbuilding. What are some examples of actually good worldbuilding in the books/movies?

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).