Most scrapers don't run browsers. Making the scrapers run real browsers changes the economics of scraping and makes it less cost-effective.
I am working on making it allow more traffic by default and then applying challenges based on request pressure or other factors like system load. I also need to finish the WebAssembly PR and a few other important things.
It's a work in progress, but it's used by the United Nations so it can't be that bad :)