(The latter explanation would imply contact rather than a genetic relationship between Tai-Kadai and Austronesian.)
The theory, initially proposed as an explanation of the so-called "empathy-helping relationship", implies that pure altruism is possible and that psychological egoism is false.
Even that explanation implied the use of some form of defensive technology, but at least it avoided the paradox of the unchanged surface features.
His explanation implied to some that his piece was war propaganda.
This explanation implies that pelycosaurs were cold-blooded.
Dispassionate hypothesis testing is particularly important for practical questions, because different explanations may imply different solutions.
His explanation implies that source code might become available again when Google finishes integrating its hastily-assembled tablet software into its existing phone software.
My experience is a just a tad deeper and richer than that original explanation implies......
Such explanations do not imply that humans are always consciously calculating how to increase their inclusive fitness when they are doing altruistic acts.
They could come and go as they liked, the old man's shrugging explanation implied, but they would have to climb the six flights of stairs.