Jillius.
Please can you explain how this is 'discrimination'.
Discrimination means that people are barred from an activity or service based on age, sex, religion etc.
The pensioners are quite at liberty to buy one of these masks if they wish. Although as has been previously remarked, most of them probably don't need them.
I completely agree with the poster saying that respect is earned and should not be expected. Many old people are boorish and rude and should not wonder why they are then treated the same.