With set_text a little different situation in comparing with set_enabled. Component set_text should do more logic, not only text node changing (it’s trigger events, recalc sizes and other stuff).
Yea, API can be reworked. If it will happen, I’ll post about it, and old API will be deprecated for some time.
For action table in button is good point, but for now there is no way to get it. For which stuff you need action table?
Yea, for complex GUI stuff in your game the most reasonable to make your own custom components, which contains already basic one and your modifications. Druid is more about how to create and handle your own GUI components