Why is this story not bigger news? Grammarly is excreting ads into my eyes before nearly every YouTube video I watch, yet I don't see any mainstream sites covering this.
Of course, in the case of Microsoft or Google, you presumably either have disabled the setting or you place your trust in their security practices that it is okay, because they are top tier companies, and most people send them all their private data anyways.
There are a LOT of things out there that collect everything you type these days, and rarely to people want to define them as keyloggers.
When people want privacy they will inevitably have to give up usability. I ditched Swiftkey for an open source Android keyboard that doesn't connect online or asks for any permissions. Its CRAP but it doesn't leak.