And the answers are:-
1. We have no right to remain here, nor can we acquire that right.
2. Central Thai isn't that useful outside central Thailand.
3. Many Thai people pretend they can't understand a white guy speaking Thai.
4. Thai people don't have anything worth the listening (this depends on how relatively stupid you are).
5. Most of us are retirees with pensions enabling us not to need to work (sorry you aren't one of us).
6. Out of all the languages I speak (English, Spanish, French, Central Thai, and a little German) Thai is the least worthwhile in my travels around the world.