If the early Christian church were supplied with money as you say, who gave them that money?
It couldn't have been the Kings or Queens or Governments because the last thing they wanted was to see the Church grow in power and control?

Likewise it couldn't have been the ordinary people who gave the church money, because you said the church forced people to be Christians, and the last thing the people would want is for the church to grow stronger..

As for your claim that the Church had big egos, all the early christians were just the opposite, humble, kind, caring..