Why devs didn't choose just blur the preview picture instead of placeholder?

I really don't get it! Devs already had some instruments to hide NSFW content, like blurring the pictures. All they had to do is just improve this system for better-spotting adult content, and make a pop-up window with the warning "Spotted NSFW content, are you sure you want to continue?"

But they choose one of the worst decisions - to replace all the sensitive content with a FRIKING FURRY PLACEHOLDER!

Here is a switch! But now it's useless!

It's about the law issue, or what? Did authorities send a warning about NSFW regulation or what? I don't f*kin get it!