The article states “ Turbulence is most commonly caused by aircraft flying through cloud but there is also "clear air" turbulence which is not visible on a jet'

The article states “ Turbulence is most commonly caused by aircraft flying through cloud but there is also "clear air" turbulence which is not visible on a jet's weather radar nor is it possible to predict.” So are we just avoiding the storms? Or are “clear air” turbulence situations decreasing?