I think it would be technologically possible to have a transcription of videos which could be included in search results, but I doubt anyone would take the trouble to do that.
The video production vs printed production is a big reason the graph (which I have copied below) from COMC's previous post at https://www.jehovahs-witness.com/topic/5722021653118976/watchtower-has-fallen-from-700k-words-year-now-just-170k-words-year shows such a decline in the last 8-10 years. Honestly, you would probably see a similar pattern in news items, as newspapers and news magazines have slimmed down or discontinued entirely and everything has gone to video or online.
I'm a little more curious as to why the graph shows such a great decline in the years '76 to '84, and then levelled off until about 2010. I was around at that time, and all I can think of is that they quit producing the 384 page books about then.