[kergonath]

> for me it comes across way worse as "I don't have time for this, deal with it" because all of the people I know doing that are self-important executives.

Same for me. See Sam Altman, for example.

> suffer so I don't have to press the shift key, this extra effort is below me.

These days you actually have to fight against spell checkers to avoid having capitals after a period.