That’s entirely on the companies that made the game if they can’t convince people to type ubisoft.com into their browser and buy the game they want just because it’s not on steam.
Boycott steam if you don’t like this boilerplate deal steam has with everyone else
If by “products” you mean games, Ubisoft games are selling just fine on Steam.
It’s not a function of the product, in this case. But the storefront.
That’s entirely on the companies that made the game if they can’t convince people to type ubisoft.com into their browser and buy the game they want just because it’s not on steam.
Boycott steam if you don’t like this boilerplate deal steam has with everyone else