If you think setting this up is simple you have no idea how big corporations make decisions like this. Even if the actual website setup was simple, many people

If you think setting this up is simple you have no idea how big corporations make decisions like this. Even if the actual website setup was simple, many people will have been involved and the 'marketing cost' has to account for the time of senior staff deciding on the goals of the project (which seem largely about PR, at least to me). It's not just the cost of a single web dev hacking a few pages together.