The latest flare-up of mob technophobia

flare up 是一个短语动词，用作名词时应该使用合成词：flare-up，中间加连字符，使其成为一个单词。后面的介词短语 of mob technophobia 是其定语。

N-COUNT If there is a flare-up of violence or of an illness, it suddenly starts or gets worse. 突发; 恶化

There's been a flare-up of violence in South Africa. 南非的暴力冲突曾一度升级。