In behavioral therapy it's called stimulus control.

However, religious people are probably more concerned than the general population that their teen boys and girls not watch content that degrades human dignity.

I'm in support of anything that helps remove the temptation for us. I assume that majority of Protestants feel the same way, which is why we these initiatives garner support from all.

That being said, I certainly wouldn't advocate for imposing the will of Christians on others by _force_.. that would be the opposite of what Christ teaches us.