They could simply ASK all pensioners whether they want the freebies or not.

The bus pass has to be applied for. It is not just sent out once you reach qualifying age, so again, easy enough not to apply.

Then again, you could say ....why should 'wealthier' people be deprived of something that they've probably contributed more than most towards the cost of, throughout their tax-paying lives, versus lazy so and so's who've leached off the state (ie taxpayers) for most of theirs ?

Not all OAPs are national heros.