iPad videos to Calm babies

Ema
How do you guys calm your babies when they are fussy in public places? 
I feel guilty because we let our little one watch nursery videos in youtube to calm her and it works most of the time.
There's an article i just read that discourages parents giving tablets to their kids because it limits learning self control.
Here's the link: https://brightside.me/article/nine-vital-reasons-to-take-away-your-kids-tablet-45905/
Thoughts please.