RE: Staking as a Service (SaaS): Deutsche Telekom Showing The Power Of Cryptocurrency

That's a good point. For them the technology is what matters most, they don't care much about it's decentralization. (That's for the masses)

I think the thing you're missing is that these giants jumping into chains (whether decentralized or centralized) is a good publicity for the space. It helps catapult the growth of the space.