The holocaust started as a mass deportation.

[xocetaceans]

12. When discussing the Holocaust, it should actually be discussed, not made into a meme. On some level, that is very...

...disrespectful to history as it cheapens the general understanding of why it happened and weakens a society's resistance to the repetition of such historical atrocities by that cheapening.

Here is a timeline discussing that atrocity and how it actually began (and that beginning is not as indicated in the OP's meme) :

Timeline of the Holocaust: 1933-1945

1933


January 30
Adolf Hitler appointed Chancellor of Germany

March 22
Dachau concentration camp opens

April 1
Boycott of Jewish shops and businesses

April 7
Laws for Reestablishment of the Civil Service barred Jews from holding civil service, university, and state positions

April 26
Gestapo established

May 10
Public burning of books written by Jews, political dissidents, and others not approved by the state

July 14
Law stripping East European Jewish immigrants of German citizenship



1934


August 2
Hitler proclaims himself Führer und Reichskanzler (Leader...). Armed forces must now swear allegiance to him


...


https://www.museumoftolerance.com/education/teacher-resources/holocaust-resources/timeline-of-the-holocaust.html

Examine the list at the Museum of Tolerance and see what parallels may be made between Trump's plans for the US and how the Holocaust happened in Germany.