Sure, the search traffic is huge but so is the rate it is falling at. If it stopped right now, it would still be a very huge site, but are there any indications

Sure, the search traffic is huge but so is the rate it is falling at. If it stopped right now, it would still be a very huge site, but are there any indications that it does? Are there good alternative explanations for the decline in search traffic that would not indicate a decline in popularity of Facebook, for example can the decline be matched with users migrating from browser to app? I failed to find a satisfying alternative explanation. Besides that, I noticed a decline of the popularity of Facebook among the people I know at least about 5 years ago. I only looked at the search traffic for confirmation years later when that trend was pretty obvious from personal experience because I was interested whether that was a general trend or only due to me and the people I know becoming older or something like that. Add to that that I talked to some young teenagers last year that somewhat proudly told me that they don't have and never had Facebook profiles and for all I know Facebook really is on the way down. Whether everyone just moves over to Instagram and WhatsApp and what all that implies for the company Facebook is of course also a different matter.