His script start from the bottom of 06 XX XX XX XX (french mobile number) and increases.
This is not the most efficient way to have working/active numbers.
As he said, starting with 06 numbers are saturated by now and we opened 07 XX... numbers. Thus, 07 numbers are more likely to be fresher et more used by "younger" people. While first 06 could be more used by professional and "older" people
As I said in a previous comments, older generation do not use WhatsApp very much as we had unlimited text message before getting internet on our phones (before iPhone 1). Before Covid, my parents did not use WhatsApp at all while texting daily. They use it now to video call during curfew
As he said, starting with 06 numbers are saturated by now and we opened 07 XX... numbers. Thus, 07 numbers are more likely to be fresher et more used by "younger" people. While first 06 could be more used by professional and "older" people
As I said in a previous comments, older generation do not use WhatsApp very much as we had unlimited text message before getting internet on our phones (before iPhone 1). Before Covid, my parents did not use WhatsApp at all while texting daily. They use it now to video call during curfew