in reality it matters not in regard to the use of numbers for an id as the use of an id name is equally unconvincing of a persons identity or intent!
how do you know im james electronic, i could be bob mechanic you just dont know.
anyone might be doing anything at any time or they might not, people dont know so it is in a sense wrong to over suspect and also wrong to be unsuspecting.
we would not be on this site now if we did not suspect all is not what it seems!
but we may just be in the process of suspecting the unsuspecting and viceversa.