Familiarity. I can either work with a protocol that has been around, in some way shape or form, for almost 30 years. That has matured, has a myriad of informati

Familiarity. I can either work with a protocol that has been around, in some way shape or form, for almost 30 years. That has matured, has a myriad of information relating to edge cases, is familiar to new and old developers, and is quick to develop for. Or I can create my own protocol which has none of those benefits besides possibly quick development.