The FAANG etc failed me for anything open source sponsorship related.
Their business depends on it, they made a fortune out of it, yet they donate little or nothing to it, or worse, they forked it and was reluctant to upstream anything.
pick Amazon randomly, it went from exploiting to rip-off in my opinion, thanks to its boss , who sails on a luxury yacht and asks all his employees to be frugal. they all look similar to me as far as supporting OSS goes.