> While the reality is, it takes effort to communicate and drains energy for everyone. This is a low effort take that depends on the ambiguity of language to sound true. "Drain" for the author apparently means literally using up a finite amount of human energy, concentration, and willpower. That's a truism. "Drain" for an introvert can mean anything from starting a muscle tension clock that will eventually cause a he…
For more than a few of my friends, assertiveness and confrontation are incredibly unnatural and stressful for them. For some people saying no and setting boundaries isn't easy for them to learn: I'm not sure I've ever seen it taught. One socially skilled friend got a swor serious panic attack from having to try and be assertive.
You are implicitly accepting people can be introverted, but imply that people can just learn to say no.