Well, I can tell you why we didn’t make it through RICA,
I came to the Catholic Church with a full time job, a full time family, and the time commitments of a practicing Christian. I could make time for RICA class, but on top of that, my kids would have had to go to their own classes, and we would have had to go to mass every week, without being allowed to take communion. This meant I was running between Anglican mass, where I could confess, and have communion, and the Catholic mass, where it felt like I was making an appearance. I genuinely could not fit it all in. I tried going without the Eucharist, and that was too hard.
Reason two, lack of pastoral care. There are plenty of clergy in the Anglican Church. The Catholic Churches here are huge, and the priests are few and spread very very thin. Many many people in the congregation are not even served the Eucharist by a priest, but by a lay person.
The Eucharist itself – in the Anglican Church, we receive at the alter, on our knees, and again by the priest, with some type of clergy administering the precious blood. The Catholic churches seem to have this huge assembly line with lay people, and for reasons I cannot articulate, it makes me uncomfortable. Also, it is a very long established tradition for young children, and those not receiving to come forward for a blessing, which I pretty much grew up with. They do that now in the Catholic church as well, but there seems to be an odd resentment among some this has been added (the topic of which was a whole 'nother thread here, so no one need repeat the reasons why some feel strongly they don’t want this “added”, I already know) but the upshot is I would rather any children attending with me be blessed without an animosity towards the blessing. Also, it is awkward and doesn’t feel right for the blessing to be administered by a lay person, which is usually the line we end up in.
My children: The services (Anglican and Catholic) are actually so similar, so I don’t know why they were so uncomfortable, but they were. They had been raised with explanations of the Real Presence of Christ in the Eucharist, but for some reason the very literal explanation of wine becoming blood from the Catholic Church was disturbing to my son in particular, who didn’t want to even approach the alter. I can’t completely explain this to you all, it seems like hair splitting to me, but for them one explanation meant “the bread and wine become Christ, you take this in, and He lives in you” and the other made them feel like some sort of cannibal vampire.
So we have left the Episcopal Church, and couldn’t quite make it to Catholic. We are trying to figure out between a low Anglican church, and a couple of Anglo-Catholic churches. The former makes us feel far more welcome, the latter lines up more with my theology.