In fact, because there is wider dissemination, and because there is such instant and total access, verifyng problems relating to copyright is so much easier. Readers can do this for themselves if there is doubt. It's not publishing'. And it is only by going into electronic publication that electonic material is further safeguarded. And be aware that there are other subject areas where electronic online peer-reviewed journals flourish.
Wider access means wider citation.
And international exchange. I'm not online'. We are in a time of transition and the future is electronic. It doesn't cost. Otherwise - it's time and skills.