what do you think the correct numbers are?

$5 per 1k followers average, so $500 per post for 100k followers, sometimes split with a talent agency/network that takes a cut. Smaller accounts are worthless but might get bought as a bundle. $1k+ per post needs 1M+ followers.

$25k+ per post is just normal celebs. $250k on a social media post is extreme and only happens if the person is incredibly famous. It's no different than tv commercials and sports deals. Nothing has really changed other than adding a new medium to monetize. The fame is still the hard part, although there's more of it to go around and more opportunity for those that try.

Like written down below, fractions of those are probably correct. Have been involved in making a deal with an influencer with around 50k followers. Was around $400 for a single post.