Summary:
I know time’s precious so let me give you the summary – read on for the rationalisation!
An RTF field is exactly that – a Rich Text Field – it was never intended to facilitate how the combination of text and images are presented across multiple views in different devices; that is what we use CSS, HTML, JS and-the-like for.
Control’s important and should be in the hands of the people with the tool for the job. Tridion is an excellent content management system and affords editors with a multitude of tools to manage content across hundreds (if not thousands) of publications.