Sure - I'm just saying that other registrars do send those emails out, with threatening sounding words about how I have to fill in my contact information. I ignore it. They've never done anything.
If you'd like to read the specification, it's here: https://www.icann.org/resources/pages/approved-with-specs-20...
The WAP emails you'll be receiving are something different, and you will be required to respond. If the email bounces, or if you don't confirm the email within 15 days, you risk your domain being suspended.
You can read the spec here: https://www.icann.org/resources/pages/approved-with-specs-20...