I've made a final decision on it: I am leaving Facebook and Instagram. I have barely used them for 2.5 years, and they add no value to my life or my relationships. I am working to get a copy of my data and then I will shut them down.
At that point, my devotion to the #fediverse will be almost total. The only social network I will still be on is LinkedIn, if you don't count YouTube (but I run a PeerTube instance, so....)