Tesla’s stock continues to pullback, as the souring of public opinion toward CEO Elon Musk fuels worries of lower sales.

Tesla sales have fallen off a cliff. This fact is satisfying on moral, spiritual, and psychosexual levels. But it’s also important in the real world—and in the political world. Today we’re going to talk about Tesla.

During Tesla 's ( TSLA -3.39%) fourth-quarter earnings call last week, Elon Musk got investors amped after the entrepreneur spoke at length about the company's AI roadmap and how it's betting big on humanoid robotics.

In many ways, these have been tough days for Tesla. Falling sales. Squeezed profit margins. Proposed changes in US government policy that could cost the company billions.

Elon Musk has said that Donald Trump will be unable to stop the rise of electric cars because the success of the technology is “inevitable”.

Tesla’s driver assistance software, known as full self-driving, or FSD, will see unsupervised tests in Texas, California and other states this year.

The U.S. electric car company’s sales are sliding across Europe, amid what many see as interference in local affairs by Tesla’s chief executive, Elon Musk.

"Opinions on Elon Musk have taken a turn for the worse along political affiliations," Stifel analyst Stephen Gengaro said.