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

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

“None of my business” is the common attitude.

How do you see these below?

How long does it typically take for whey protein to have an effect on bodybuilding, weight loss, or weight gain?

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

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.

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

NASA KSC Announces COMET Staff RIF (Update) - NASA Watch

Visual-kei

Yaoi

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

Here's the cheapest way to buy Stellar Blade on PC - PCGamesN

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.

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.

Quantum Space raises $40 million - SpaceNews

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

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 have the so-called “couple culture” seen in many Western countries.

How good do you sing and how do you know this?

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