Yes.

I'm reacting to the fact that you recommend a keyboard for privacy, I'm reacting that using a very comfy keyboard with fast typing and network permission off gives you privacy as well.

So I give different recommendation on Graphene. I've seen that you said that it's ok. 

 gotcha. yes absolutely. 

 Is it still okay to use if you use the sandboxed Google Play services?  

 Yes. I use sandboxed Google play services