As I mentioned elsewhere, you cannot prove everything only by science. In Islam, we have logic and the honest news as two other sources we rely on to study and deduce facts about our reality.
No you didn't. The specific thread here of the conversation is not about scientism anymore. But if you want to go back, the original discussion was about science vs religion and not scientism. Nobody in here claimed they adhere to blind faith in science and that science can explain everything. The opposite was stated.
Some people have blind faith in scientific claims. That's not science though and it does not invalidate science. A big principle of science is to do exactly the opposite and not blindly trust in something. Every system gets corrupted by some people but it does not mean the system is bad. We're talking about the same thing over and over.
Unfortunately it doesn't seem like you addressed any of my points.