That or Methamphetamine mainly, most likely

if you’re British, maps.nls.uk is fascinating for seeing places evolve over time

Is guys really needed after youse?

The guys is needed where there’s no 2.pl pronoun to distinguish from individual you, but youse fixes that

If it’s a grave of someone in living memory, then sure, it’s grave robbing, but even if someone knows it’s their 224x great grandparent then if there’s no memory either directly or even via oral history then it’s definitely archaeology

There’s a very blury line somewhere between the two, but it’s up to whoever shouts loudest or digs quietest to define that