The U.S. has taken another master. The Saudi’s will go untouched while Trump is in power. Elections do have consequences.
Which previous presidents have ended our alliance with SA? There have been human rights violations from that nation for many years, not to mention how many of the 9/11 hijackers were Saudis. The US government has been ignoring the hardline Islamic stance of the SA government, the links to terrorism or covering up of terrorist acts, the mistreatment and human rights violations the country has been party to, since long before Trump ran for office. It was during Obama's presidency that the US became involved in the war in Yemen. The idea that it is only because Trump is in office that the government is willing to look the other way about Saudi actions is laughable.
Trump is, sadly, merely continuing the same turning-a-blind-eye that US presidents and the US government has been doing for decades.
This is on a magnitude far greater than human rights abuse. If they turned a blind eye to the murder of a American citizen then they should be cursed. However there is no proof as to what you are stating.