I think it's cool that Microsoft is giving Minecraft players a way to support content-creators. They aren't forcing content-creators to offer their content for a fee; free mods will continue to exist. And they certainly aren't putting base gameplay behind paywalls like some mobile games do.
[0] - https://www.google.com/search?q=best+games+released+in+2010
[1] - Which was an awesome game that you might dismiss as a ""philosophical", "artsy" highly-hyped Mario clone".