Unfortunately, this is just not true. "The people" can make bad decisions, just as any other ruling group can.
Slavery was supported by most Americans well into the Civil War. Secession was wildly popular in most of the South, as was Jim Crow.
We just elected a probably disastrous president and congress. The people are not always right.
Elections determine what is popular, not what is right or wise.
The collection of any taxes which are not absolutely required, which do not beyond reasonable doubt contribute to the public welfare, is only a species of legalized larceny