Multiple things can be true.
1) It was incredibly stupid for anyone to use suppressing unions as an example.
2) Employers should have control over the content on their internal systems (people get fired for things they say over email/Slack/etc. all the time).
3) This headline is some serious click bait.
I don't think whether they have changed affects their ability to buy Giphy.
Your CCPA point is interesting though. However my guess is the CCPA is unlikely to be used in that way as it would affect nearly every acquisition in every industry.
That interview was bad. They're trying to make you feel bad for the Instagram founders because they were too stupid to realize that after you _sell_ your company you don't own it anymore. Also, per that interview, Instagram only became sustainable under Facebook.