What happened before is that other people where on public property which he claimed being his and then him going ape<deleted>.
This is a very clear case but still you are looking for ways to discredit Thai people, get a life.
"who has no job connections whatsoever with Thailand"
Will you be working for a foreign company or as a freelancer while living in Thailand? If so, you would need the appropriate visa and a work permit. You will also be liable for tax.