I had not cared about it until a few minutes ago, when I read another top post about the girl who got an abortion being outed by non-encrypted messages on Facebook. Since iMessages are encrypted, but sms is not, I could understand iphone users wanting to switch to another platform after realizing their friend is an Android user.

No they are not.

Not an expert in the matter, just do not want to take cold showers.

Back when I was a prolific Reddit karma whore (years ago) it was the best way to get free points for doing absolutely nothing. No purpose otherwise.