Web Performance is about understanding how the Web works.
The catch? When Marketing and Product, who know the needs very well, completely delegate technical decisions to IT, which ends up choosing based on their preferences or trends.
To help restore diversity to the web, here is a long and yummy metaphor to explain to people who have never coded how the web works!
https://calendar.perfplanet.com/2024/your-website-is-a-restaurant/
Your website is a restaurant
In most organizations, even before creating a website, teams select the technologies to use, often without having defined the functional scope and desired user experience. I won't infer here on their motivations, but the fact is that they present this to stakeholders who often do not know what it is