Which gets its input from various EU institutions and all laws need to be approved by the Parliament and the Council.
Legislative procedure
It's not perfect but neither is the UK with the HoL, FPtP, and the monarchy.
Why not? It's an enormous benefit to our country and a right you enjoy that actually has a practical impact on what you are able to do.
Immigration has made the UK more productive and prosperous - and will again in the future
"The average EEA migrant arriving in 2016 will contribute a discounted total of around £78,000 to the UK public finances over his or her lifetime. Overall, the future net contribution of 2016 arrivals alone to the UK public finances is estimated at £25bn. Had there been no immigration at all in 2016, the rest of us would have had, over time, to find £25bn, through higher taxes, public service cuts, or higher borrowing."