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It's no secret that "daddies" (for the most part) are adults with families, jobs, and personal matters, and they are also involved in other tournaments. The question is: how can you manage with 3 "daddies" who will definitely play every week and stream, possibly even playing on uncomfortable templates, and on top of that, still manage to participate in other tournaments and solve personal problems? Hellight, you have it easier in this regard. You can play several games in parallel and still at a high level, but not everyone can do that... In general, choosing 2-3 TOP players and consistently using them whenever possible is, of course, the ideal option for achieving the maximum goal.
Registration in a tournament does not guarantee participation in it. I wrote about this. Registration is, at most, an indicator for the captain, who will see that the player is ready to play if needed.
The division of prize money is no longer the organizer's responsibility, but the captain's and the team's responsibility as a whole. If you don't like the captain, either suggest another candidate or don't play when he calls you up (if you suspect that the captain is not going to share the prize money with you). I, for my part, must ensure that the sponsor pays the captains.
Yes, playing on HL+U templates often ends in the 3rd or 4th week (and sometimes even earlier). But in these games, there is usually no money at stake, and it's easier to give up and not bother (you are only responsible for yourself). But here, you are responsible for the result of the entire team, and the chance that they will try hard and play in the late game until the very end may increase significantly.