[Havoc]

Agreed regarding revenue being the bigger issue.

>It was news to me that IFRS cracked down on non-GAAP adjustments

It's mostly achieved by prohibiting adjustment for "extraordinary items". That stops 90% of this bullshit right there. I gather US GAAP has done the same but kept the concept of non-recurring items.

Whether presenting "Alternative Performance Measures" is allowed at all depends on the country specific regulator. Where they are it's generally in addition to the IFRS measures and if you look at ESMA (EU regulator) they require a reconciliation and various other stuff about fair presentation thereof:

https://www.esma.europa.eu/file/1689/download?token=VQsQ7JzC