That said, in my opinion people working in such a workplace reading a post "Why “go nuts, show nuts” doesn’t work in 2022" should be savvy enough to not click links, or read the post in the first place.
Also, ironically, the fact that we have to mark such links (to Wikipedia!) as NSFW is exactly what this particular comment chain is about, no?
It was definitely a valid remark, and in this case, it was useful at least for me.
This is more to say that this is a disagreement between you two at the object level, not someone overthinking a simple matter.
Boobs on the screen isn't the greatest look at work or any public location, and I don't really think it requires going any deeper than that. I can appreciate the pointless debate here and there, but this isn't some great philosophical question we have here lol.
Like it or not, there are plenty of jobs that would be very unhappy with you viewing said images in an office setting.