I think the emphasis is on the term 'safely'. In the ideal scenario the immigrants would then be assessed for asylum status. Those who do not reach the requirements would then be returned; easier said than done but I assume you are not suggesting that 'unsafe' crossings for anyone would be...
What exactly do you mean when you write 'unfettered' immigration? I suspect you would place me in the category of being in the 'majority view' on here, but I know no one who thinks illegal immigration is a good thing. Have another go....
Then whatever you do, beware of grifters and snake oil salesmen like Farage, the architect of our economically disastrous Brexit and members of his former Limited Company.