Given that >60% of Twitter accounts are abandoned, 5% is a more significant fraction than it seems. And regardless, by that standard, virtually all options are

Given that >60% of Twitter accounts are abandoned, 5% is a more significant fraction than it seems. And regardless, by that standard, virtually all options are "obscure". Most users will never go and look at the options that are available, they just take whatever is the default and assume that's the only choice they get.