Is normal. I was born 81 and fail to recognize or keep up with this, and I was introduced to Bitcoin early, mined 200 BTC on my CPU but failed to understand the importance so no backups of keys and 2 years later well....
Now I am trying to wrap my head around the steemit thing. People who grow up entirely without computers and the internet I find often even the basic thought of decentralizing is so alien conversation is impossible. I would say you have made tons of progress and gotten very far to what I would expect with your mom from this transcript.