It's a feature for many of us, it is for me, cause when I input a new phone number in my contacts (like let's say a plumber's phone number I found on the intern

It's a feature for many of us, it is for me, cause when I input a new phone number in my contacts (like let's say a plumber's phone number I found on the internet) I first go to WhatsApp to check if they've got a profile there, in which case I contact them directly using WhatsApp, not via voice-call/SMS.