Like would it be good if we could create a system that somehow will make the life of criminals who use Bitcoin harder?
You've been here almost as long as I've been as we got registered on this forum the same year. As such, I believe you've seen worse days for Bitcoin than we've now. Remember, in 2017 and the years before it we had the tag of Bitcoin being a bubble? Do we still have people think that way today? Of course not. The thing is that no matter how good or bad something is there are going to be people who will take a divergent view on it. If you asked me, I would say Bitcoin is having a better time now that in the past. More people are becoming fans, and many more are going to join as time goes on.
Before the advent of Bitcoin, we had all kinds of criminal activities involving fiat. So, we shouldn't make it look like money laundering and financial criminalities are coming up because of Bitcoin.