but why would microsoft buy a money-losing company? either they think they can turn it around - maybe because they can use their own, cheaper hosting infrastructure -, or because it's a ploy to reconcile a mostly microsoft-wary developer community with their new "not so evil as before" image (we all remember the microsoft under gates and ballmer and the damage it did).
the question that remains is: can we trust them to continue to run github as we know (and love?) it? it's not like the company hasn't improved tremendously in the last years, but the windows 10 update and privacy debacle has shown they're not above suspicion.
for me personally, i'll probably continue to use github, as i use it only for non-critical hobby projects anyway.
for important work i'd rely on a self hosting gitlab/gogs/gitea instance. i know it's not the same, as the barrier-to-entry for potential contributors is higher and the added sysop work is a pita for most people. but that's the price to pay for a healthy, robust open source community.