To be sure, as noted in this 12-year-old Reddit thread on the program https://www.reddit.com/r/windowsphone/comments/1e6b24/if_mic... - part of the reason for a fee-to-publish is to prevent malware and other bad actors. But it's not the only way to do so.
First-movers can get revenue from supply-quality guardrails. Second-movers need to be hyper-conscious that suppliers have every reason not to invest time in their platform, and they have to innovate on how to set up quality guardrails in other way.
Apparently this didn't even happen until 2018, and only then as a limited-time promo! https://www.windowscentral.com/microsoft-slashes-windows-pho...
To be sure, as noted in this 12-year-old Reddit thread on the program https://www.reddit.com/r/windowsphone/comments/1e6b24/if_mic... - part of the reason for a fee-to-publish is to prevent malware and other bad actors. But it's not the only way to do so.
First-movers can get revenue from supply-quality guardrails. Second-movers need to be hyper-conscious that suppliers have every reason not to invest time in their platform, and they have to innovate on how to set up quality guardrails in other way.