Its not often that you get to see an RTS designed for both console and PC, mostly because its incredibly difficult to make a control scheme that works for both parties. As such, I wouldn't really look down upon you if you were skeptical about Halo Wars 2 being as good as its advertising would like you to believe.
However, with the recently opened "Blitz Beta" Microsoft has now given everyone a chance to try it out for themselves, and to see through pure gameplay what Halo Wars 2 has to offer. Do keep in mind that the beta only features the newly created Blitz mode, which lies somewhere between an RTS and collectible card game, but it should still give you a good idea of the general gameplay and its controls. If you're interested in what this might look like, here's the most recent trailer:
You will find both the download link and the system requirements over at the Microsoft website. I would recommend you don't waste too much time because the beta will only run until January 30th, and once it goes away you won't be able to get another crack at Blitz mode before Halo Wars 2's February 21st release date. Enjoy!