LOL, the argument about why digitally released media isn't cheaper has been done to death, and doesn't really apply here. I also don't think you're factoring in the cost of building and maintaining a digital distribution platform either, which is why it took even juggernauts like EPIC so long to compete with Steam.
You also need to realize that pretty much everything costing more now does in fact affect game production prices. We've also yet to even see how much in this game is being remade. A hike of 17% though isn't much compared to how much food, gas, and the cost of other essentials has gone up.
It's also completely up to you whether you want to wait for a sale, no one is forcing you to pay that $70. I don't know man, it is what it is, but as far as I'm concerned, what it is, is not nearly as big a deal as prices on essential things that we really CAN'T do anything about.