Some additional specifics:
The now hidden adult tags will circumvent the filter, in case you did not know. If you select tags like "adult", you will see such games, even if your account's settings are to not show them. They removed the adult tags from the suggestion box as a fix for the obvious issues this presents.
No, I wasn't aware. That's good to know.
And you typically can recognise them and avoid them at a glance.
Yup, I do, do that.
Feel free to check what age rating it has on Steam in your country. It is displayed as 12+ the way I access it.
Same here it seems.
The intent or artistical value is not considered in this. If there are pixel boobs, on Itch, it is 18+. If the developer did not mark it as sensitive, some complainer will complain.
Unfortunately, no. I don't believe there would be a perfect way to address all preferences as previously established. It is still a sub-optimal solution. I'd just take it over what we currently have. That or a site content split. I'm ok with either one, really...