Ok, thanks for clarification. I noticed where I was reasoning about the code in a wrong manner.

Check these options the see if it's not windows that is noise gating your mic:
https://answers.microsoft.com/en-us/windows/forum/all/how-to-add-options-like-noise-suppression-and/caeb4e30-c910-4ebe-a8d3-9871bc1b1c75

Pro tip: don't play on those servers but play on community server which are administered.