alt Hacker News> national suicide
Why do you think that? The same thing was said about the Chinese, Italians, Polish, etc... when they all came here. Instead they helped make the country what it is today.
I also don't see anyone arguing for open borders, but straight forward paths for people to legally immigrate.
What do they say, "quantity has a quality all its own"?
I don't really have a strong opinion either way on it, but I think your question was addressed by the natural rate limiter mentioned in the comment you were replying to.
Just like I was happy to have a free blog without a robots.txt 5 years ago, but now with the AI crawler and other traffic I'm looking at using Cloudflare "are you a human" blocks or whatever.