Again, you've managed to miscomprehend how Trump speaks. So, when it does happen and when Trump does make the decision to force him out, then, it is as you say, till then, it is speculation and currently an attempt to illustrate the possibilities.
After all, if the FBI or DOJ is not going to get to the root of the DEMS issues, there is a definite problem and we need to find somebody that will go after the riff-raff.