WP Engine calls itself the worlds #1 wordpress hosting (with over 1.5m clients), but they aren't even in the top 10 material contributors to wordpress. Although they have pledged to support wordpress development, is is only to the tune of 40 hours a week. Their pledge is miniscule given their usage of wordpress and isn't even in the top 25 pledges made. It seems they were called out on this, and told to resolve it or…
No?
If you don't want people to use your stuff, don't give it away for free.
> there's nothing wrong with publicizing that they don't give much in return
That would be the case IF giving back was part of the deal which they are therefore reneging on. It was not. You are in the wrong.