Thanks for your question. I am sorry to hear that you find the app locking feature to be cumbersome. Unfortunately at this time our filtering service is website based rather than app based. However, I will say that if the app in question has a website component I might encourage adding that site to your blocklist as doing so may prevent said dangerous app from working properly if downloaded. Alternatively you could block the play store altogether through app locking. Obviously that is an extreme solution but I did want to mention it.
If neither of those suggestions are viable options then I do apologize. I'll be happy to submit you suggestion of blocking apps directly to my developers.
Thank you and have a great day.