Large and dominant companies can be a net good, at least in theory. In practice they become corrupted because of incentives to maximize profit by any means poss

Large and dominant companies can be a net good, at least in theory. In practice they become corrupted because of incentives to maximize profit by any means possible, with few who can oppose them. When well regulated one can have most of the benefits without many of the downsides. Sadly, even the regulators become captured.