One thing that puzzles me is how Ripple is called centalized where I see so much centralisation in all the cryptoworld.
That is not a healthy way to introduce a large surge of adopters. It doest enable decentralisation , doesn't teach WHY cryptocurrencies exist, and will surely deter a lot once a bad side effect happens due to the dependence on ripple
And yes, a lot of shit coins are very centralised in nodes, coin volumes, hashpower, and developments.
This is why having hashpower is important, you can reinforce the chains that support decentralised everything. Bitcoin used to be this way. And Vertcoin is still a good representation of quality decentralised coins. They do exist but it takes a little time to find them.
Ripple is 100% premined, Not based on blockchain cryptography (so not a real cryptocurrencies), not decentralised in development, coin volumes, exchanges, or anything really. They dictate the value of the coin, and keep most of their volume in storage, releasing more at will.