Fun fact: libgit2, a library made by Github, uses TLS 1.1 on Windows versions earlier than 10. Which means that attempting to access Github via libgit2 on Windows 7 is now broken. https://github.com/rust-lang/cargo/issues/5066 …
Yup. Unfortunately this issue appears to users as an arbitrary network failure, not something that they can research. Even if they could, to the average user this looks like "your software doesn't work". Not to mention 99% of users don't know how to edit a registry key.