Until June 2012, Stack Overflow users could vote to migrate questions hereUntil June 2012, Stack Overflow users could vote to migrate questions here. When that Meta post was written, we had a 26% rejection rate for migration. The history of migration from Stack Overflow to Programmers was so bad that, in December 2010, we had to ask Stack Overflow users to stop using Programmers as their toilet bowlin December 2010, we had to ask Stack Overflow users to stop using Programmers as their toilet bowl. Even with us seeing the influx of garbage sent from Stack Overflow, it still took a year and a half to stop individual users from migrating questions.
Also in October 2012, migrations for questions older than 60 days were disabledmigrations for questions older than 60 days were disabled.
As long as we continue to uphold the rule of "don't migrate crap"the rule of "don't migrate crap", we will probably be an exporter of questions. Our new name gives people a good impression of what we are about, but they may not be aware of niche communities that would be better for very specific questions. They may also not be aware of nuances between some communities, such as Software Engineering and Computer Science and the differences in answers.