I get the pornography part, whenever you are checking a simple site it can happen that there is NSFW stuff visible without a warning.
However, toxic community? I never had that impression. That said I never used Tumblr for longer periods and I don't get how to comment on stuff or really interact there.
However, toxic community? I never had that impression. That said I never used Tumblr for longer periods and I don't get how to comment on stuff or really interact there.