> Copyright law and IP law is not the same although everyone seem to conflate the two.

Copyright law is a subset of IP law. What IP is being infringed upon here?

> Search engines for example historically ignored copyright law by copying excerpts or serving other site images

Excerpts are often considered fair use, but it depends on country.

> it doesn't mean someone copying Google's code has some moral frepass

Nobody copied Anthropic's code. They used it's output to train another model. At most they violated some terms of service.

Did they maybe abuse Anthropic's subsidised pricing? Sure. But that's what happens in a free market if you sell below cost.

> Search engines for example historically ignored copyright law by copying excerpts or serving other site images, it doesn't mean someone copying Google's code has some moral frepass

Not sure that's the best example as they lost that battle and had to pay, eventually it's been codified in law in most countries.