Question os: How many will switch it out? Giphy has a big collection of images and works ... swapping is effort and brings different (unexpected?) results.
Again, a small number of people might do that, if one gets too large by chance Giphy/Facebook will attempt to block them. Most users and integrations will be kept. As people stay on WhatsApp etc.
Makes me wonder whether you could use trends in use by employees at a large company to do some trading. If their gifs turn negative in advance of an earnings report, that’s probably not a good sign.