For years I have run my business depending hugely on a good contact manager. Since privacy became number one for me four years ago I have relied in recent years on proton for contacts.
However, since on my android phone, a primary device, there is no ability to do a simple search for a name, either first or surname. This renders contacts fairly useless. 2 years ago I suggested that such improvements could be made to make contacts a useful tool. Little has been done.