If someone says they hate article marketing and won't do it anymore - that has nothing to do with whether it will be useful as part of your business marketing.
If someone says they're not using Twitter anymore - so what? that has nothing to do with whether you should or not.
If someone says PPC is a waste of time and money - so what? there are a hundred others who will say the opposite.
Too many IMers spend all their time watching what others are doing and trying to copy them.
This is very often a really bad way to run a business.
There's a lot of benefit to modeling success and learning from others - but when it comes down to making money, YOU are responsible for your own results.
Whether your favourite guru is doing something or not has diddly squat to do with whether you should or not.
The quickest and easiest way to make money online in my experience has been to find people with a problem and help them - That has NOTHING to do with what other marketers are doing and you can be successful without ever speaking to another marketer (in some cases - especially if you don't speak to them).
Making money is not difficult and there are a thousand ways to do it - but the way that is right for YOU has zero to do with what is right for anyone else.
The simple fact of the matter is that most IMers are not taking enough consistent action on anything to have any chance of making money - so it's pretty irrelevant what their actual model is.
If you're new to IM and have come to this forum looking for answers consider this:
1 - How many 'buy buttons' do you have online?
Whatever effort you're putting in - until someone can actually give you money - it's irrelevant. (as far as making money is concerned)
2 - If I told you I was running a seminar and wanted you to speak but you would only make money from what you could sell at the event - what would you have to offer?
If all you have are other peoples products - start thinking about your future.
If you only have one $17 ebook - you have a massive gap in your model.
Unless you actually have enough things for people to buy for you to make the money you're dreaming of - it's not going to happen.
If you're not making money - it's nothing to do with anyone else.