in the large corporate jobs, there is usually an annual training of the staff in the standard communications etiquette, computer privacy & security;

i think an SN welcome message shud emphasize that one shud learn to discern scammers, clankers, trolls, and dumb users in general; then offer a guide to deal with those posts effectively;

i think this wud make for a neat educational tool, one that is overdue for anyone using any social medium today;

overcoming any obstacle starts with accepting sum education;