No. Why would that be a remotely rational thing for them to do?
When I use "should" in my earlier post, I don't intend it as an ethical "should". I mean it as a "if everyone acts in a rational way, this should, eventually, be the outcome".
If everyone acts in a rational way, and there is no occurrence of monopolies or price fixing, and if information is widely distributed, and a few other "ifs" that are not obviously missing from the scene, this should, eventually, be the outcome