Earlier quoted context omitted.
Lack of ability to snapchat friends might not seem important... But communication is key to nearly everything in life, and not being part of those snapchat rumours, disputes and controversies now will probably mean your daughter doesn't get as good at the skills to interact with her peers in 20 years time.
She interacts with her peers at school and with her family... by that same token, ANYONE who grew up before Snapchat or the Internet had or has lacking social skills. Also, she CAN FaceTime. I would not consider Snapchat or TikTok to be "socializing with friends" for an 8 year old.
You know how we don't really get this whole social media thing the kids are into these days? That's because we lack those social skills. Just like how your parents' generation struggles with E-mail despite it being so simple, because you grew up with that.
It might not bother you that you're bad at Telegram or whatever because none of your peers use it either. But her peers do.