Nonsense. Christians began to be tolerant because the political results of sectarian warfare stripped from them the power to persecute. There is no credit in do good because you lack the power to do evil.
"Power to persecute"?? Whoa Junior -- take a deep beathe...
If you prefer to engage in mushroom-induced historic revisionism of marginalizing the Christian based ethics and beliefs enacted by our Forefathers with your hallucinatory alternative version of the truth, then party-on....
Just make sure you're not the 'designated driver'.