"the three most prevalent categories for these were 1) Work permit holders or those with a right to work and those married or with children 2) spouses or children of Thais and 3) School or college students and their parents."
Why do they continually conflate tourism with expats? None of the three categories above are tourists. The Immigration police would be taking a huge step forward if they would try to understand that we're not all "tourists." Fewer people would abuse tourist visas if Immigration would recognize the diverse reasons for us being here.