Performance Max: what it is good at, and what it hides
The problem with Performance Max is not that it performs badly. It is that when it performs badly you cannot see why, and when it performs well you cannot tell what did it.
Journal
Google Ads
Search, Performance Max and YouTube campaigns.
Tell us what you are trying to move
One message. What you are selling, which countries, what you spend on ads now. You get an answer from someone who has run it, not from a form.