I agree and this was my original thought. For example Reddit, for most of its life, relied on imgurl for hosting images. Before the single place images constant

I agree and this was my original thought. For example Reddit, for most of its life, relied on imgurl for hosting images. Before the single place images constantly broke after services died. With imgurl being third party even it has led to broken images at times (though with significantly less frequency). Now reddit is doing their own. Hacker News is very technical and code heavy. Seems to make sense to me that some may want to communicate / discuss code itself. I could even see it opening up more conversations like "this is my implementation of X; thoughts?" or "do this in any other language" challenges.