It's not decided, and probably will never be. Decided means, every Ahmedi of Pakistan has accepted that Ghulam Ahmed Mirza was indeed wrong in his assertions.
Has that happened?
It has not been decided since it is not anyone's decision to make but of the individual Pakistani. It, like all other tyrannies and corruption in Pakistan has been imposed.
What's the doubt? We know how to define a Muslim, dont we?
But yes you are probably right in saying if all of them have accepted GAM was wrong, but that wouldnt mean i can lay claim on just anything which i deem necessary. What if i lay a claim over your property, would you let me go on the basis of me not accepting that my assertions were wrong?
Indeed, qadiaynis should explore, explore the fact. Explore as we ask other religions to explore and as we have explored - we consider ourselves right because we know that our ancestral Books told us that there would be this Last Messenger besides many other indications. But the qadiaynis need not to work that hard, with the kind of IT power that we have today one can search and research anything to death, and as qadiyanis are the derivatives of Islam which indeed very very very clearly says that there isnt going to be any other Prophet after Muhammad (PBUH), so how hard it can be to understand. They consider themselves Muslims (as they follow 'some' of Islam as it suits them) but they dont consider themselves as non-Muslims (because they very easily negate the basics - seal of Prophethood as it doesnt suites them), how not logical.
Have we ever justified that Islam is real? Nobody needs to justify their beliefs.
Yes we did.
Though there is no need to do so, but then one need to question what one believes in, i mean i being a soldier did justify myself before i used to bang the indians at Siachen or others at many places where i was operationaly employed. Though Islam has that something of 'blind belief' which requires you not to question at a certain level, but then didnt you question/justify yourself before you opted to become an IT professional?
We're Muslims because we believe in something. They say they are Muslims while they believe in some other thing. Obviously one is correct and one is wrong.
No doubts about that.
Christians are Chrsitians because they believe in something and Hindus are Hindus because they believed in something. So is the Catholic, Protestant debate, but then they didnt defy each others basics.
Now is it our right to call them wrong? Definitely it is. Is it our right to stop them physically from saying they are right? It is not.
No it is not our right to physically stop them but then for how long we want to play this game? i mean it is a qadiaynis right to claim whatever he can, but is it not a Muslim's right to claim what is his? The issue here is of contradiction. Christian dont contradict with Islam, expect the Son, God thing, hinduism dont contadict with Islam except the idol worship and multiple Gods thing, but then they dont contradict our basics or even if they did, as in case of hinduism (multiple Gods Vs One), they dont claim to be Muslims.
As long as we're verbal about our objections to the Ahmedi school of thought there is no issue and it is our right to be so. When we take that to violence or state mandated jail time then that's abuse.
No to violence.
But then not everyone is perfect, shyt happens. But does the Constitution ask for beating them? Yes the jail thingy, but then they have the option where they have to choose - i am referring to the certification (mostly in govt jobs) where one is asked to accede to the Oneness of Allah and the Finality of the Prophet (PBUH). They sign it, we all are guud, they dont, they stay qadiyani - no issues again.
Like i always say, there needs to be a stop to everything and limits that should be define, though very thinly. This includes the word Freedom, or else there had been no laws, rules and Constitutions.
Khula khata...
Khula khao tey naga nahao... 
