Maybe the linked article doesn't make it clear, but the system in the UK is all of these points put together to some extent. It's mostly pointless in reducing

Maybe the linked article doesn't make it clear, but the system in the UK is all of these points put together to some extent. It's mostly pointless in reducing net migration levels, because the quota for Tier 2 visas to non Europeans was capped at 20,000 for the last 5-6 years, and last year was the first time the cap was hit.