This feels like a good use case to bring up my favourite request again, the option to exclude locations from searches. If you think that would be helpful, please vote on the topic - although I don’t know if these votes actually count for anything or not.
I don’t know why nobody from TH has never acknowledged any of my posts about it, even when I asked a direct question. I feel like I’m shouting into a void, but hey, it would be the perfect solution to this issue. 