The problem is that serving content costs money. Llm scraping is essentially ddos'ing content meant for human consumption. Ddos'ing sucks.
We should start suing these bad actors. Why do techies forget that the legal system exists?
People here on HN are laughing at the UKs Online Safety Act for trying to impose restrictions on people in other countries, and yet now you're implying that similar restrictions can be placed on people in other countries and over whom you have neither power nor control.
Simple, the gamble is it often makes business sense to "forget". Initially it could be they are unaware of the specific law but after a certain period of time it can really only be assumed the motivation is it is more convenient to ignore it.
Not all techies are like this.
Until the regulatory system corrects this calculus it will keep happening. Reputational costs or social costs sure wont correct it in this day and age.