"Brother X is not XX, but loneliness." Why is this sentence pattern so popular now? Seeking context.

X is not XX, it is loneliness; Y is not YY, it is loneliness; ..... If this sentence is hung on your QQ or MSN signature file, then congratulations, you have become a member of the "lonely faction", although you may just come to join in the fun at first. After the nonsense post "Jia, your mother called you home for dinner" became popular on the Internet, a new round of online buzzwords emerged. The netizens who replied to the posts were all "posing as" their seven aunts and eight aunts, and they all said that their posts were only because of "loneliness". "Jia" became popular, and the "loners" took advantage of the situation. The "Jia" incident has become a window to relieve boredom, and many popular online means such as spoof, PS and human flesh search have gathered here, just like a carnival of online culture. My brother exudes a lonely breath, and food, clothing and even excretion become lonely! "Jia, your mother called you home for dinner"-an empty post with only a title and no content, appeared on Baidu's "Warcraft Post Bar" and quickly became popular-78 1 10,000 hits in 6 hours and more than 300,000 replies. Secondly, the huge Jia Jiajun-"Jia's mother", "Jia's father", "Jia's aunt" and "Jia's head teacher" ... these seven aunts and eight aunts who don't know the truth have all appeared on the Internet. At the same time, there are all kinds of PS spoof pictures of "Jia, your mother calls you home for dinner". What's more, "Jia" has a song of the same name. Countless netizens who are in the "boring period" joined in the spoof and reply. One reply repeatedly quoted by netizens said: "We are not following posts, we are lonely." A spoof picture on the Internet, "I'm not eating noodles, I'm lonely", has made a sentence pattern of "loneliness" and spread like a virus. Subsequently, the lonely school also established its own website. "You are not browsing the website, but lonely ..." This is the striking slogan of the website of Lonely School. Xiao Mo, the founder of this website, is a post-80s generation. Only five days after the website was opened, hundreds of netizens rushed to express "loneliness", and one of them left a funny message: "For a while, I was not a human being, I was a lonely god, and I smelled lonely. What I ate and wore and even what I excreted became lonely!" Many players can only entertain themselves when they are bored. Jia, your mother invited you home for dinner, which is the best proof. Since June 7th this year, after the server of World of Warcraft was shut down, many players were in a state of idleness. "I was browsing in the post bar. World of Warcraft has shut down the server for 40 days. " A veteran player who has played World of Warcraft for five years said that in his view, because World of Warcraft can't be online for a long time, many players can only entertain themselves when they are bored. Jia, your mother invited you home for dinner, which is the best proof. However, besides gamers, there are still many things to do. At first, I thought the sentence' loneliness' was funny, so I copied it down. Later, I suddenly felt that some sentences really came to my mind, such as "I didn't light a cigarette, I was lonely", "I didn't write a blog, I was lonely" and "I didn't cry, I was lonely". White-collar workers working in big cities are really under great pressure. It is often very hard, helpless and lonely to work hard in big cities alone.