It is my understanding that it was not oppression of the Colonists that England wanted, but exploitation - and they felt strong enough to resist this.
That they were involved in massive evasion of duties by smuggling and wanted defence of ther land on the cheap was something that England was deternined to stop.
Right was not all on one side.
Consider that goods could not be imported (no goods?), from abroad without their first having being unloaded in an English port - an unreasonable and expensive imposition.
May I take the opportunity to try to balance the usual view of Americans that the Rebellion was a fine, heroic episode?
Many are the heatrbreaking acconts by those from both sides. who agonised over which to support. What of the families with sons in the English army? And those in commerce needed great strength of conscience to consider loyalty to the Crown over their businesses.
As is usually the case, the impoverished and sometimes licentious mob had nothing to lose by supporting change..