One question asks 'Employment status' , following question asks 'mode of commuting'. People who have answered "Retired" to the initial question have no opt out from the second question

. People who have retired may well do more travelling than those in employment.
I had a short trial run on an ebike at a demonstration day, but don't know anyone who owns one and have never seen one in my locality.
We have become such an idle car dependent population in the UK that it is unlikely that many non cyclists will buy an electro assist, although they may encourage older cyclists to keep pedalling for longer.
If we want to encourage cycling, improved infrastructure will do more than electro assist to achieve that aim.