I think you're misunderstanding them.
If you think the joke is about her appearance then yes the exact appearance matters (which would be valid, if this would be about unixsocks). The characters are what's important to me here instead.
Lain is a computer enthusiast, who is kind of a shut in (at first). The above line is out of character for her but not Misato. If you don't know these people then you wouldn't know this, even if you have perfect vision.
Alt text should describe what you're communicating, not necessarily every detail.
Alt text: The cockroach from Kafka's book "The Metamorphosis" lying on the back on a bed with a smartphone. Beneath it says: "anybody wanna have a bit of a girl's night out I am metamorphosising"
Alt: "Choose your own radical identity" followed by an anarchist flag with half of it being blank. Next to it are crayons in different colors, referencing different anarchist orientations using different colours to fill the space. At the bottom it says: "A DIY activity book for ages 9-12"
Traffic rule ( slrpnk.net )
What do you rule you little shit ( lemmy.world )
Torrent ( files.catbox.moe )
I'm near the origin
Asking the important questions ( lemmy.ml )
tradpole rule ( feddit.de )
when somebody asks me why my GNU+Linux looks so cute ( lemmy.blahaj.zone )
Alt text:...
anybody wanna have a rule's night out? ( lemmy.blahaj.zone )
Alt text: The cockroach from Kafka's book "The Metamorphosis" lying on the back on a bed with a smartphone. Beneath it says: "anybody wanna have a bit of a girl's night out I am metamorphosising"
I'm in my low effort rule era ( lemmy.blahaj.zone )
Alt text:...
six habits of 196 people ( lemmy.blahaj.zone )
Alt Text:...
choosing a lemmy instance ( lemmy.blahaj.zone )
Alt: "Choose your own radical identity" followed by an anarchist flag with half of it being blank. Next to it are crayons in different colors, referencing different anarchist orientations using different colours to fill the space. At the bottom it says: "A DIY activity book for ages 9-12"
you can do it ( lemmy.world )