fa·vor·ite | \ˈfā-v(ə-)rət, ˈfā-vərt, chiefly dialectal ˈfā-və-ˌrīt\ Definition of favorite
(Entry 1 of 2)
1: one that is treated or regarded with special favor or likingThat song is my favorite.especially : a person who is specially loved, trusted, or provided with favors by someone of high rank or authorityThe king granted the land to two of his favorites.
2: a competitor judged most likely to winWhich horse is the favorite in this race?
"They sent me ..."
"So ... helped me out getting these ..."
No, they didn't "send" you, they didn't "help" you, they "sponsored" you.
Money or goods are transferred to you for their profit, it's called "sponsorship".
Content creators won't say "sponsor" because it will make consumer's brain on guard making their influencer marketing less effective.
This is a scummy way of disclosing sponsorship, if he talks like this, he is not very trustworthy.