We are waiting for Level 5 for way longer than 2 years by now. And you don't have to pull the physical impossible argument. EVs were among the first cars built 100 years ago. Reusable boosters were deemed possible but not economic by EASA before SpaceX talked about them.

Musk is constantly moving the goal post, so when he ultimately delivers something one day, people tend to forget how often he didn't deliver in the past. He seems to be the only one to get away with that.