I like that it's very easy to use for business owners who aren't tech savvy at all (even if they are!).
It gives us more power over our own content creation process without having any coding skills or time management abilities! We've been able create new products in-house which we couldn’t have done before with other companies/tools out there due too lack of knowledge about HTML5 web development etc.. And being self managed means no need anymore going through an outsourcing partner when you want updates from them either - just do your thing yourself :) Nothing really as such but some people may find this hard so be prepared beforehand how much control is needed by each user depending their level within organisation / needs regarding security issues.