In the first quote, I'm not specifically using a framework of "kammic causality"... just one of causality generally.A domino knocks over a domino knocks over a domino knocks over a domino....
And as venerable Nyanaponika said, "Totally wrong is the belief that, according to Buddhism, everything is the result of previous [kammic] action."
Tying this back to the topic at hand, room must be made for other non-kammic causes, otherwise we fall into the trap of kammic fatalism.
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"The uprooting of identity is seen by the noble ones as pleasurable; but this contradicts what the whole world sees." (Snp 3.12)
"To argue with a person who has renounced the use of reason is like administering medicine to the dead" - Thomas Paine