People who are 45 to 55 years old are more likely to buy smartphones nowadays. They are also more likely to buy it in larger numbers than any other people from rest of the age groups. The common belief that young people use more smartphones than adults must be false. Which of the following is a primary flaw of this argument?

A It discusses smartphones rather than laptops or other tech-based products,

B It draws conclusion in general from mere survey findings.

C The arguments focus on popular perception rather than on carefully designed research outcomes.

D The argument does not differentiate buying from using smart phones.

E The argument does not mention the specific data regarding the number of smart phones bought by other demographic groups.