Siri should be better! It lost features post-acquisition by Apple, and it seems like user privacy is why.
Home automation is arguable. If you consider a single point of failure on a server somewhere to be bad, Apple's solution is pretty great. Their commitment to zigging where others zagged put them behind, since hardware vendors didn't want to put in powerful (expensive) enough chips to handle the cryptography, but while other companies go out of business, or transmit images and video to external parties, Apple's works reliably and securely.
Still, as with most of my complaints about Apple, it's a trade-off between privacy and functionality, and Apple will seemingly always choose privacy over functionality, even as Google consistently chooses functionality over privacy.
[0] Yes, there are examples of edge cases that suggest a less-than-perfect record. Contrast that with their competitors, for which invading privacy is foundational to the business model.