The thievery has already occurred. By implementing a means test Trump would very publicly be stating that SS is welfare. You only get it if you need it. I like it because it will kill all discussions of SS being earned and a right. SS can then be discussed openly as the welfare income transfer Dimocrat vote buying scheme that it is.
Just so you can understand how it works, try the above link and run the video. I’m not sure your motivation in claiming you have done ExIm financing but it doesn’t seem to flow from knowledge of ExIm.
See how the neat little government video explains it? If the seller is worried the buyer won’t pay the government will guarantee payment. No need to risk your own money when Uncle Sugar will risk the taxpayers.