I also share this way of thinking, when some prizes are offered in money, crypto or something like that, and you need to follow, like and RT , it is very easy to get followers , because many people want to win , it does not hurt to get 100usd or an amount like that just continue, like and rt, it's the easiest thing in the world, and although the chances are small to win , it's still there , so it may be that some people say that yes, the bots are the ones that Damage everything because they do that non-organic traffic is created , or that many fake followers are produced , but this does not cloud what contests are where they offer to win for simply doing Things like that , and it is in fact one of the Best strategies to get people.
This is why they also don't have any problems with such giveaway bot rush as they are gaining engagement from it because the algorithm is set in way that more retweet and like will display it to more people while the followers list is akso strong for them.But if you say about $100 then I don't think they will have such simple requirements as it's for low rewards like $5-$10 or something like that but for big amounts they have certain requirements like wagering 1x or similar ones.