Antisemitism, as simple as that.
Or perhaps He is implying both Zelensky and Soros are actually the same person who managed somehow to travel through time for him to do the dirty job of destroying a whole country and getting billionaire in the process, all of it within a period of twenty years. 
How knows? you are are knew to this section of the forum you must know that BADecker is the source of the most wacky and non-sensical information you will find in the forum.
For example, according to him cancer is actually caused by microscopic insects/bugs, so ivermectin is a life-saving drug against pretty much a handful type of cancers.
You go figure what of his wacky theories suits you the most for you to tag him as the pro Russian Quack he desires to be on the wide internet.

We can only guess how much he is getting from the Kremlin to write down all this stuff.