.......Yes ripple is kind of centralized ......
Thats kind of a good one, one company selling every single xrp 
.......you can't doubt their tech ......
Ripples database tech is this age:
Blockcain tech is this old (Tesla S rolled out 2012)
no you cant doubt there tech
https://bitcointalk.org/index.php?topic=2903039.msg29852549#msg29852549