It isn’t censorship if you can just turn it off and see everything. It’s a warning for people who want to browse at work but not view content that can get them in trouble
Just turn it off and ignore it if it doesn’t apply to you. The rest of us want the tag to be used for its purpose.
Yes, my experience with websites over the past few decades.
NSFW stands for “not safe for work.” What do you think it means? It’s pretty straightforward in its meaning.