IDEs are usually far more complex due to their vast feature sets and constant evolution. If guitars evolved and increased in complexity at the same rate as IDEs, we would've seen something absurd like James Hetfield wielding a 150-string monster guitar.
IDEs have become incredibly complex tools with features that go far beyond the original concept of text editing, while guitars have remained relatively consistent in their core design and function over decades.
We don't have to keep practicing typing "the quick brown fox jumped over the lazy dog" over and over again to master an IDE, while you have to play same tunes again and again to become a virtuoso. Experienced musicians often have a broader, more adaptable skill set and can change instruments, while IDE users might be more "locked in" to their preferred environment for various reasons.
I agree with your sentiment though - good programmers are good not because they've mastered their tools - they chose to master their tools because they are good programmers.