You sound crazy bruh. Bird was a BALLER. He would do just fine in todays NBA. Especially since you can barely play defense anymore.
You can make the same argument about whether todays players would do well in the 1980's/1990's NBA. You had to be a grown ass man to make it back then.
You had to look like Clyde Drexler when you were 25. LMAO.
It's hard to compare eras but one thing that is undeniable is a dude just busting peoples asses. Bird was dominant and he played 40 minutes a night even with a bad back......that dude was coming for you every time.