We can't go on like this: or more companies start producing and selling bitcoin miners or we should move to a decentralized PoW algorithm. This has nothing to do with SegWit activation, scaling issues, big pools or pool owners suddenly playing nice again. As it stands, Bitcoin is not decentralized because there is only one (evil) company left that sells miners to the public.
I've taken all my initial money out of Bitcoin (but have quite some bitcoins left, this is my profit which, for now, I won't sell). I will continue to support Bitcoin the best I can and hope this issue gets resolved.