Vaccinated People Spread The Delta Variant, CDC Says

[Wao nahele wahine]

So has this covid/vaccine thing caused people to be argumentative and mean or has it just exposed those traits that have been there all along?

Been there all along...it's been getting worse since face to face communication has decreased.  It's so easy to type and send as opposed to saying something unpleasant, rude and/or argumentative to someone's face.