The loss in resolution is one of the issues some display types and certain MacBook models
indicate; and another item of note is the lack of support in the new 12-inch MacBook retina
2015 is the Thunderbolt displays do not work. (Also many times the mini-display-port will
not carry the Thunderbolt signal; they look similar but are different electrically.)
About the macworld article, linked: note the comments section for several items that may
be of interest because some have tried various attempts at solutions in the past year...
Sorry about not being better acquainted with this newest model series MacBook; my own
preferences would likely be more aligned with the hardware configuration of MacBookPro.
Or perhaps a MacBook/Air if the retina display were not an important factor. In some ways
the old design (still available in Apple Store online) with non-retina 13-in MacBook Pro &
optical drive, has some merits although dated technologically; you can upgrade RAM, etc.
There may be a different display technology or sequence of adapters that may patch an
external display and the 12-inch MacBook Retina 2015, together, but the loss of resolution
may be the deal breaker for those wishing to have larger sharp Hi Res display support.
In any event...
Good luck & happy computing! 🙂