I did not feel betrayed or angry for being lied to. I attribute it to a long line of brainwashed family members continuing the cycle of brainwashing with each generation. Nobody knows they are being brainwashed and sincerely believe they are doing what's best for their kids. I don't think I ever wasted too much money as I am/was frugal and would rarely give money into the collection plate.
Interestingly, I actually felt jealous of the religious as they didn't lose their sense of community, were not shamed for their mindset (aka leaving the church/abandoning the beliefs) and they have a comforting story to tell themselves when loved ones die. I lost that and am still shamed and lost "friends" once I came out with anti-theist rhetoric on my facebook. But also, my family did much more fckd up shit than indoctrinate me soo the indoctrination is the most minor thing I'd be angry and betrayed about.