... due to the simple fact that homeless want to live in the manner they do because it is easier or even a relief for them, having said that when you see what they go thru and how they try to live it in fact not easy at all.
How does the second part of that sentence not make you reconsider your assertion in the first?
I think you are right that might possibly be a very small fraction who actually do prefer the "vagabond" lifestyle, despite the obvious and many hardships. But to make a blanket statement that *all* homeless are in that situation as a matter of choice seems wildly inaccurate to me.
As to your analog about criminals, isn't it also quite likely that recidivism is largely due to the many bariers to any chance of building up a normal life post-incarceration, which is to say after formally having done their time?