In case it's helpful for anyone else, here's what publishing team had to say:
"Yes, your book will eventually show up on the O'Reilly Learning Platform, but it'll be a while still. Most of our books first appear there four to eight weeks after they go into print. So just keep an eye out on OLP, because it's coming."
"Yes, your book will eventually show up on the O'Reilly Learning Platform, but it'll be a while still. Most of our books first appear there four to eight weeks after they go into print. So just keep an eye out on OLP, because it's coming."