I hate to be the one to say it but, they contribute nothing to society and have everything thrown at them so society's conscience is clear. I firmly believe that if you don't contribute to society, you don't get the benefits that society provides. This does not, of course, include those who are unfortunate through no fault of their own to be unable to pay. The travellers have made a lifestyle choice, you pays your money and takes your choice. My apologies if this upsets anybody's sensibilities, this is possibly not the correct place for a mini rant.
Terry.