You make some great arguments as to why we should not accept any asylum seekers onto our shore.
We don't know where they are from
We don't know their intentions
We don't even know their age
1000s of them are lying about one or more of the above each year.
Therefore it is unsafe and ill-advised to let any stay in the UK.
Really? I don't have that kind of data, about the people I pass by on the street, or in the shops any time I leave home.
What is it about cultural background and ethnic origin that allows us enhanced mind reading skills in regard to one particular culture group but not others?
Generally as people look pretty much the same and dress in the same way, should tourists from abroad by obliged to wear some special high visibility clothing so we can determine that they are not actually British and our normal risk assessment super powers will fail here?
Or do you have a particular method already for determining who these people may be, a distinctive feature that alerts you to the potential threat or risk?