Are you also suspicious of your parents and other members of your family since they are Muslims?
Of course, blame all muslims for the atrocities a minority commit. But I don't see you criticising Russia, China, US, UK, France etc who have all oppressed, colonised and persecuted Muslims. Some even dropping bombs on innocent Muslims and levelling entire cities to the ground. But hey, that's all A-okay because all Muslims are terrorists and deserve to die.
Lets also not pretend the West keeps their wholesale democracy to themselves.
Who is telling you how to act? Nobody cares what you do with your life, it's your choice to make. The average Muslim is trying to live their life the best they can and fulfill their duties to their family etc. They are not losing sleep over an atheist or filled with rage because you left Islam.