In my opinion, it always depends. If you tell someone you're praying for them with the correct intentions, then yes, that's great! BUT if you have the intentions of receiving attention or something of that sort, then I would advise not to tell them …
If we do not interact with them, how will they witness God's love? As Christians, it's our duty to be the light that shines onto the world and leads people to God ... Or am I wrong? It is good that he helped you become tolerant of people with differ…