Thanks for admiring my previous answer.

You are right in a way. Our accounts of the First Thanksgiving are one sided , in that we really have only one account of the First Thanksgiving. (Winslow's account, Bradford's account. though it provides some context, does not even mention the feast.)

But, there you go, that's all we have.

It would be great if we had accounts from the Indians, or from more of the Pilgrims, however, unfortunately, historians have to work with what exists.

From what we can tell, the legend of the First Thanksgiving is broadly accurate. The local Indians and the Pilgrims had forged an alliance. The Indians taught the Pilgrims how to grow Indian crops and hunt local game. The Pilgrims, who had lost half their numbers in the preceding winter, had collected a bountiful harvest. They had a feast together with their Indian allies. Venison and fowl were among the dishes served.

That's about all we can deduce from the original sources and from the context.

If you are looking for "more". I'm not sure how you will find it. As we really don't have much to go on.