Please don't beat yourself up over how to come out. If you need support, you should be able to ask for it any way possible.
For reference I am a Mom who loves her child.
Just a few nights ago, my son went to stay with a friend visiting from out of state. For years he almost never left the house, so we thought this was good that he was out with a friend. Then, around 10pm he sent me a text "I need to tell you something".
I have lousy cell signal at home, both voice and text is iffy. I responded with "you can tell me anything. I'm here for you, always"
Well, that's when he said he may be transgendered, feels like a girl, his friend is his boyfriend and they are very much in love.
My response was "oh, honey, You're not alone!" "things will be OK" "and we'll get through this together" and this response took over 20 minutes with me running frantically around the house trying to get a signal. couldn't text, receive or phone. All the while trying to ask "are you OK" "do you need anything" "can I do anything"
It was a difficult night for me, I didn't want to hunt him down and "confront" them. I needed sleep, needed to work early, and knew this was nothing I could change. It wasn't the worst way for me to know. The worst part was not knowing before. Not being able to help sooner. and not helping with the pain and struggle in the years before.
I was finally able to see him in person 18 hours later. So we could hug, cry, hand hold and just BE together.
So, I cannot say text was good, or bad. But I can say, Silence, that's bad.