Does Microsoft post a risk to GitHub users?

is it worse than https://github.com/massgravel/Microsoft-Activation-Scripts ?

Why do you need Github at all?

There's the general risk of enshittification that is almost guaranteed to occur.

There's specific risks based on your software or you. If your somehow prone to tripping their alarms then you will always be a hot target for bans especially automated and AI-driven bans. If someone is taking action to prevent your software spreading then the platforms will probably side with them unless you win some legal action or settlement.