Not sure why you think it's the better in ALL ways. It's not just you though. People in this threas just can't be actually reasonable it seems.
The S7 is the better in battery life with both the Snapdragon and Exynos version, it has water resistance capabilities, and has not only wireless charging, but has wireless fast charging. This is something that will be more important when Samsung moves on the S8, which will likely not have a headphone jack. If you're in the US then you get Samsung Pay, which is superior to both Apple and Android pay in that country. I believe that it will soon be coming to Canada if it hasn't yet, along with Europe this year. It has some useful hardware features that are not yet available in stock Android for some reason such as triple tapping to shrink the phone down for one handed use. This is helpful for when you're driving or when you're taking public transit. Design wise, the S7 is one of the smallest 5 inch screen Android phones and the Edge S7 is THE smallest 5.5 inch sceeen phone.
The S7 series gives you expandable storage, which becomes important for photo, videos, music streaming cache, and now it's even more relevant for Amazon and Netflix offline video storage. I just bought a 64 GB one for 20 USD... I do prefer the stock Android type of look and S7's theming + nova launcher allowed me to get me this look.
The main benefit that the Pixel has is software, which is less of an issue if you have the Exynos version of the phone. I have an S7 Edge Exynos version and used to have the Snapdragon regular version. I can verify that the Exynos phone is indeed faster and better in ram management. It never stutters and I almost never get app crashes. The Pixel is definitely a step faster and overall probably feels the best. I don't see how that can make up for all the other shortfalls. The Pixel also gives you unlimited Google Photos storage, which is an awesome feature, but I'm not sure how long you can actually keep this for.
Nothing I'm saying is an exaggeration. None of the S7 advantages are merely gimmicks like it was with some of their past phones like the S5.