Why stop here? Let's legally forbid makeup. Think about tone-evening creams, for example, what they do to truth!

Clear strawman fallacy here. I did not say 'forbid'. I said that it should be made clear that the images are doctored.

Besides, there is a big difference between make-up, that anyone could theoretically apply to look like someone in real-life and what people use photoshop for in the images we are talking about.

I would call it reductio ad absurdum. But that's not the point as I wasn't refuting any arguments you made (you didn't any), but making fun of what I see as a knee-jerk reaction of calling for a new law on every minor occasion.

Btw, your final para: do you mean that only privileged people can apply "beatification" effects on their phitos? FWIW make-up is much more expensive.

How about starting with making a plug in app first before rushing to legislate imaginary problems which are by definition poorly understood?

It brings to mind the cloning bans based on Hollywood logic where they assume clones have all memories and the same exact scars and birthmarks.

After a week - at most - none of the millions of users sees the "photoshopped image" anymore, it'll become ubiquitous. Mostly due to the fact that each and every image will have that label / text