Who supports Ripple XRP?

Who exactly supports Ripple XRP? Can you provide a breakdown of the various constituencies that endorse its usage and adoption? Are these primarily institutional investors or retail traders? What are the primary reasons behind their support? Is it due to its scalability, its potential in cross-border payments, or perhaps something else? Moreover, do these supporters have any significant influence in the cryptocurrency or wider financial community? Lastly, are there any notable detractors or skeptics of Ripple XRP, and what are their main concerns?