I don't think the amount of work that goes into building a platform is a factor for whether something is monopolistic (in fact, if there's a high barrier of ent

I don't think the amount of work that goes into building a platform is a factor for whether something is monopolistic (in fact, if there's a high barrier of entry it becomes even easier to behave anticompetitively. I'm sure Microsoft spent a lot of time working on Windows and Internet Explorer, but that didn't save them from the Depar of Justice