Easy part of the game is the start. As i've mentioned many times
And if you say it, it must be so! :O
It's about credability. You have none either.
Claiming credability when you have none. About credible players in worlds that have no co players, who are live players. This is relevant, however, your comment isn't.
Err, what?
Credibility is how believable something is.
JP being the Forum Admin, and me being a former Forum Admin would both therefore be far more credible sources than you, or in fact than most anyone in the eyes of the community.
Not to mention that we're both well known on .net, whereas you appear to be anything but.
But, really, end of the day, this thread has more or less been beaten to death and anyone intelligent has more or less come to the conclusion that co-playing is not an inherent advantage, in fact it's a disadvantage.
Co-playing can be advantageous, but what the advantage actually is is additional activity, not the fact that two players are playing the account.
ie. in order from best to worst:
1. One player plays 16 hours a day.
2. Two players play a combined total of 16 hours a day.
3. One player plays 8 hours a day.
If you can be as active as a co-played account while solo you have an advantage over the co-played accounts due to not having to compromise with a co-player.