[satvikpendem]

Yes however I doubt the author was an IRC user. For chats people generay do use lowercase cause it's easier but this article is also about using lowercase outside of chats.

[neutronicus]

This user I think got it from Tumblr (firmly millennial).

Gen Z I would think default to title case because that’s what smart phones produce when not wrangled.

[satvikpendem]

No they disable auto capitalization explicitly in their keyboards.