In China, the CCP will send police and thugs to kick people off their lands, demolish homes, and begin construction right away. The CCP don't care as the people cannot take the matter to the courts or fight back. There is no opposition party nor do the people have land rights. The CCP will offer little compensation -- take it and go. Thailand isn't a Communist dictatorship with no land rights.
If you refuse, the government will simply build around you and turn off water and electricity to your house.