It may be that those other items are listed by sellers outside of the UK, or have not been reported, or were simply not picked up when they were listed. Ebay don't list or sell anything; listings are down to sellers.
If you feel items are not following Ebay policy (see below) you can report them.
https://www.ebay.co.uk/help/policies/prohibited-restricted-items/lockpicking-devices-policy?id=4329
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)
