What would the outlook be if Discord was bought by Microsoft?
They know it so well the new Xbox Wireless Headset essentially has a "Discord feature" though obviously not named or marketed directly as that. (It supports dual pairing with a bluetooth phone for "phone calls over game audio", but everyone I know got the message between lines that it supports Discord chat, and were talking about the headset precisely because of that feature.)
Microsoft would have bought Discord for the gaming community and pursued tight integration with the XBox ecosystem. Which could have boosted the platform, but probably not in a way that resulted in a lot of direct revenue.