no we are not. What we are saying is that after 180 days you automatically become Thai tax resident. If you bring in assessable income whilst tax resident above minimum thresholds you are obligated to file a Thai tax return. This may or may not lead to a Thai tax bill depending on personal financial circumstances.
1) Banks will not now open accounts on tourist visas.
2) Correct, 180 days inside the Kingdom in a calendar year and you automatically become tax resident. How does that work? If you bring in assessable income in a year you are tax resident above minimum thresholds you are obligated to file a tax return. Whether you actually need to pay Thai tax will depend on your personal financial circumstances.