While there are plenty of folks who have reason to push a repatriation narrative, and there will always be examples (Dropbox!), I'll believe it's real when cloud providers like AWS and Google start eating into their considerable margin and begin meaningfully dropping prices again.
This sounds a lot like my daughter (3yo). She likes to play up, but also craves approval from her parents and stern words can be devastating to her.
The best approach we've found is to progressively and predictably escalate our language and tone. Starting with a friendly "now, now" and ending with time out if she hasn't fixed her behavior. At some point along the way she usually recognizes The Voice and course corrects voluntarily without needing to be reprimanded.