Musk's purchase of twitter is also a financial desaster. Earlier this year, I explained the reasons here:

https://www.heise.de/hintergrund/Financial-analysis-Why-Musk-s-Twitter-purchase-is-such-a-disaster-7470285.html?seite=all

Or if your prefer the German original:
https://www.heise.de/hintergrund/Finanz-Analyse-Warum-Musks-Twitter-Kauf-so-ein-Desaster-ist-7469162.html?seite=all