Let's just start with the fact that you are an idiot who doesn't know anything about business, and I will prove it step by step. Shall we?
Quote from popstocks:
If C2 truly had a thriving platform there would never be a bi-annual fee to the vendors.
Why not? Reasons to charge vendors:
1. It is extra money for the site. Why Tramp is selling steaks? Because it is extra money for him!!
2. It filters out every highschool student/newbie who would sign up for free and slow down the system.
3. For a newbie losing only $100 in every 6 months is a dirt cheap education and for a vendor a very cheap advertisement!
4. It costed time, money and intellectual power to make the site. It probably didn't make it back for the first 3 years.
The fact that you have to pay this fee before you ever even get your first paying subscriber is pure crap.
Not every vendor is a trading pro. The site can be used for testing strategies or practicing trading. Why should it be free? It is a valuable service, you don't get value for nothing.
Most system are crap by definition and wouldn't get subscribers, so the only way to make money out of them is to charge them a fee for services provided. C2 provides a trading platform with statistical data.
Let's say there really are vendors on C2 pulling in 10-20g a month,
This is a wet dream and unsupported assumption, simply not true.
do they need to put up cheesy google ads on their site,
It is extra money, why would they miss that opportunity? Not to mention the ads are trading related...
why do they need to charge a fee for each side of an autotrade?
Because nothing valuable in real life is free? After all, once you set it up, you don't have to do shit!
Their entire business must cost less than 15g to run each month, and that's being very liberal on the estimate.
You forgot the years and countless hours invested in developing and perfecting the program.
their most successful vendors don't actually make 10-20g a month.
That was YOUR unsupported assumption, idiot.
per month on their most profitable system.
It is among the most POPULAR not the most profitable, have I mentioned idiot?
I would not want to join C2 knowing this alone.
Nobody forces you...

If you don't like it, don't use it...
By the way you should decide if you want to bitch from the subscriber's or the vendor's side...
C2 has its problems what we already discussed in this thread, but your not understanding a business model and appreciating the work what was put in it is just an expression of your simple mindedness.
But thanks for the entertainment...
P.S.: Assuming you are a profitable trader looking for investors, let's see if you can advertise your system/service for less than $200 per year to a wide audience!
