They may fail to achieve it, but the apparent goal of 4E is to have far fewer classes, but each one be solid. I prefer that, personally.
My take on this is that the goal of 4e is to have a class for every possible combination of focuses, rather than letting people mix multiple focuses from multiple classes to taste. Our first new class is the Swordmage, for someone who fights in melee with magic and swords. If you wanted to do a ranged version with bows and magic, that would be another class. And, divine versions of both. And your guy who steals with magic (arcane and divine). And then psionic versions of all of those, once we have that power source.
That's not to say '4e is designed to get us to keep buying more books with more classes' in a negative way. I'd imagine that is pretty much understood that the overall goal is to get us to buy more books. 3e did the same thing with prestige classes.
But, I definitely don't get the impression that the goal is to produce fewer classes, I'd say we'll get fewer classes because each class with take the book space of two to six prestige classes (depending on format). And I'm sure they'd like them all to be solid classes, but they probably wanted all the prestige classes in 3e to be solid as well, so we're bound to get a crappy class eventually.
Now that said, I can see that this would be easier on us house ruling guys (or someone just trying to make Joe happy with a minimum of effort), if we had more optional sub systems to play with (or ignore). That would also cover the easy/harder class issue. It would be nice, for example, if there was a way to have a simplified class progression table, where the character got more at wills, slightly less encounter powers, no dailies, and just enough utility powers, none of them daily, to not be a piece of cardboard. That would be the equivalent of the "easy fighter". I'm not sure if that is possible, but would be handy if it was. You can't get much easier than: I've got a few things that can do all the time, and this handful that I can do once per encounter.
The real key is that the powers they got would have to be rebalanced, as the character with no dailies is giving up power, and they need to get something back for it. But, that is the basic idea, you'd get less powers, but more of something worthwhile that is less effort to use.
Using the NPC-style stat block for a PC is something you can try, but it's a fair amount of work for the DM and doesn't appear to be very well supported by the system. I'm sure it can be done, but it's hardly something someone should expect to be possible, as opposed to the 'just a fighter' of previous editions.





