My initial comment on this thread was before any addon was posted publicly on this site or curse.
(if you look at the date and compare).
I had (like several other people I presume) been working on it at the time,
and taint was coming up on my own testing.
The game actionbuttons are already secure and the easiest way to test
is make a macro with those lines and drag it to your actionbars.
I was getting blocked messages (not with 100% consistency but enough to be troubling)
just from using the macros with no other addons loaded at all.
Creating my own secure buttons made no difference.
In a nutshell, those initial comments were at a time everyone was "scrambling around"
more in the sense of "don't stop looking at it because it works most of the time".
I've made no mention of taint on my main addon page, but on the other hand
I do want people to know it's not using those macros in case they run into trouble with just the macros
(or an addon based on them)