von

Contacts are hugely personal & the notes field can be a goldmine of information, but more worrying is the fact that I can have multiple phone, email & social media contacts against individuals (personal, private, business, etc).  The more I think about it & about all the data I have in my contacts, the harder the answer becomes!  Even blocking Notes won't encourage me to share my contacts with third party apps.  Even field level security probably won't work as again, one selection does not work for all contacts!  I applaud Apple for trying, but, alas, I don't think the contact notes field is the only issue. 

As processing power increases, as does the power requirements of apps increase.  Sure, many will optimise initially, but as they realise they can do more with the new SoC, they would be foolish to not take advantage.