As you say, for capitalism, their “solution” is to out-source the detention centres as they have done in Libya, The Greek Isles and Turkey.
Then there is the Australian option, where islands like St Helena and Ascension Island are being suggested for detention camps.
As our answer to no war means ending capitalism, its cause, our answer to no borders also means ending capitalism, the reason for the continued existence of nation-states.
Our task is to get that message out there as clearly as possible.
I do hold personal reasons for my sympathy and empathy, because, in a few weeks time, I too could easily become an illegal immigrant lacking the proper documentation and papers and could face deportation and forced separation from my wife and family.
As the religious say, there but by the grace of God go I.