More broadly speaking, this is a reason why it's not necessarily irrational or unreasonable to continue to believe old arguments - the effort required to claim

More broadly speaking, this is a reason why it's not necessarily irrational or unreasonable to continue to believe old arguments - the effort required to claim that yes, things have changed and the old arguments are therefore invalid is so disproportionately small compared to the effort required to confirm the changes are in fact inadequate or non-existent.