People that still believe MS products are good.
Whilst both will bloat your code unnecessarily, DW at least makes sure that it's still compatible with browsers other than IE.
It's also got a hell of a lot more predone code for all your widgety needs.
Finally, it's entirely interoperable with other Adobe products if you have a recent version, so you can actually modify images on the fly in another program and see the change it makes to your pages without having to close the project and reopen it.
Seriously, Adobe products are a market leader for a reason, and it's not because they came free and preinstalled on every computer from 1995 onwards.