[cryptozeus]

No one:

Gizmodo: "Somewhere down the line, many of us got the idea that our laptops should always be plugged in to improve their performance."

[deergomoo]

It’s worded a little weird there, but it’s not untrue. Laptops with high TDP CPUs and/or discrete GPUs will often perform significantly worse on battery, either by default or always.

It’s why whenever a new M-series chip launches, Apple makes sure to highlight how it performs every bit the same on battery as while charging.