What is bad about non-citizens, on temporary visa's, not getting to bring in their family?
Instead, you'll be left with the less desirable and desperate.
Do you really want a workforce of those who grudgingly turn up, or would you rather the happier workforce of those who can enjoy family life?
Keep in mind that due to the demographic crisis, countries are soon to be competing for them.
Also: immigration is good, and the grievance based policies that attacks immigrants while achieving marginal gains is dishonest.
Also: hacker news seems like it has a sea lion problem.
I'm not sure why anyone would think it's a problem to ask people to share their perspectives.