^^^ depends on who it is but happy to let them stay on my land
Last time the pulled up near me I went down intoriduced myself told them where our water point was and said they could help themselves but not bring dogs as one of ours would fight any dog it saw
they were grateful and no one was robbed
Some people from all walks of life are bellends and criminals
FWIW local crims also increase their crime rate when travellers turn up as they know they will get the blame and the attention.
Been a traveller had the plod visit [ UK and abroad] even though we never did any of this and lived with travellers – some are scum for sure but that is true of some house dwellers as well.
As for mess some folk make a mess and some dont
MTB ers gels or tubes or dog walkers tossing bags of poo into trees..of course with all the others that is just a minority but with travellers it them all innit