That is definitely not universal - I've never used it, and it seems to be just for teenagers in my area. (Rural Midwestern USA)
Northern Europe: Facebook messenger
United States: SMS/iMessage
And pleasantly so. I actually barely even text - I tell friends to send me an email, or even better just show up at my door and we'll hang out. I get that I'm an outlier, but I enjoy having my digital communications be for work, and my "real" life being offline.
That your carrier had such abusive SMS & MMS rates that it pushed people to Over The Top apps is concerning, and raises notable digital sovereignty and Telecom regulation questions about where your local telecom regulator failed.
I'm glad ours didn't.