And you wish to propagandize the word tentative as if there were only one degree of tentative.
In real life, the kinds of arguments used to support evolution and common descent are trusted to the extent that they are accepted as proof in courts of law, and are used to imprison, even execute people.
I know of few courts that condemn people to death on the basis of circumstantial evidence. Even where eyewitness testimony is involved, it is not unheard of for people to conspire in telling a lie. Courts are not foolproof. Neither is science. I know of many people who are fooled by the evidence. Most people today still say the sun rises and sets because, on the face of it, that is exactly what happens.
The tentative nature of the theory of evolution requires that, in order to be honest, its proponents present it in tentative terms, just as do the proponents of intelligent design.
My God, you're obsessed. The discussion is on science in general. The scientific method is tentative.