Looking over that news article again, it appears that Trump's 100,000 deaths being the sign of doing a good job comes from a briefing he had with his public health officials. Certain advisors to Trump had been pushing to relax the "social distancing" regulations early in order to limit the economic impact.US president Trump is now saying that keeping the US COVID-19 death toll below 100,000 would be doing a "very good job".
In a stark shift, he said his guidelines for Americans to practice social distancing would remain in place until at least April 30nationalpost.com
However, his public health officials came to him (or to Pence, it's not clear) with estimates that this would result in 200,000 deaths. Trump then made an about face and said there would be no relaxing of social distancing for now.
How that translated into 100,000 deaths being an aspirational goal is not entirely clear. I suspect that Trump may have taken the 200,000 figure and cut it in half. By putting out a big number he may hope to reset public expectations, so if he comes in well below that he can claim he did a terrific job.
Given that, I wouldn't take the 100,000 deaths figure as being a reliable estimate of what public health officials in the US actually expect to see. The latest death figures for the US that I have seen are a bit over 3,000 so far. That will very likely increase by quite a bit, but perhaps to nowhere near the 100,000 figure.
Given the above, I wouldn't panic just yet.