As I said it would depend on what they counted as what would count against someone getting residency. Parking tickets is your normal piss take. But why should a hardened criminal be allowed to stay in any country? This isn't just the UK.
Parking tickets is not my normal piss take, I way quoting from the link that I posted.
Your comprehension is terrible.
We will now lose access to the EU Schengen data base on criminals. I don’t see that as a positive.