I think they just gave very valid reasons to include sms in signal, adoption. It took me years to get my contacts on signal and I was finally at the point that >80% of my messages were encrypted, that dropped to <10% the day sms was dropped. If I refused to use sms I would effectively be cutting contact with my family.
I've been finding his content hasn't been as good for the last couple years, maybe just from the random rants he tosses in for no reason. Then he went on a little rant recently about how he isn't making as much money from YouTube anymore and I unsubscribed.