[jonquark]

There is an argument that the larger the company, the less human - the more admin and beholdenness to anonymous shareholders after short term profits and therefore it correlates to the type of anti-social behaviour you reference even if it will vary from company to company.

[nerdponx]

More practically: larger means more power, which means greater market asymmetry and general power asymmetry in society. Such situations should always IMO be viewed with skepticism at best.