Once again, we do not know this for a fact, who knows what deals we could strike
No, but it highlighted that maybe we might be getting to a point where we do not need anymore unskilled workers from other countries
who knows, it easy to say " Oh lets stay in the EU because this MIGHT happen, or we might not get a good deal "
the first part of your post is a fact, the second is just guess work, we do not know if leaving the EU would have a negative effect, we can guess it will, but it could well be a short term thing, once again, who knows