Why would any company need a slow and inefficient datastructure if they don't need the one advantage of it - decentralization ?
I am not here to decide/criticize who is using what. I stated the problems. There are a few use cases even for this (crippled) blockchain, although I would also use, as @Wind_FURY stated, a proper SQL database instead of this...
I assume the B in BaaS stands for Bullshit?
BaaS is, according to Google, Backend-as-a-Service. Not blockchain. Maybe they know something.