Question about Alexander Midas Savage

Hi there, my static raid group is currently working on A6S, one of my friend came to sub to help us out yesterday because our BLM was late. Since his static is on Friday and Sunday though, his static is saying that if he enters A5S with them, he and they won't be able to get any books or chest.

It seems pretty weird since our static cleared A5S on Tuesday, but our BLM couldn't be there so we had a sub to clear, we got out books, our chests and we went to A6S to practice it a little.
On Wednesday we went back and cleared A5S for our BLM, she received her book but of course no chest since it needs at least 4 people who haven't clear to get at least 1 chest.

Since we already went to A6S and we went back to clear A5S with the main BLM in our static so she could get her book. I'm pretty much calling BS on what they are saying. Does anyone has an answer for me please?
Also to remind he wasn't the sub we cleared A5S on Tuesday with.

It's partially correct I think?

If you took their BLM and skipped him to A6S then when he goes back to A5S with his static he will remove one of their treasure chests. They will still get their books and ONE chest, but will get screwed out of the second chest. Which kind of sucks for a static because you need all the gear you can get to clear later turns.

So yes they will still get their books. (The BLM that skipped to A6S might not though not positive on that one)

They will only get one out of two chests though which sucks. (Which is why if you are in a static you don't join to help others unless your static has cleared that turn or up to that turn that week cause you are screwing your team out of a piece of gear)

If you enter a higher floor, you are considered to have cleared all previous floors and cannot receive a page (and also count towards reduced chests). You are comparing apples to oranges here and don't understand what he was saying. He was saying that if HE enters floor 6, then HE will be ineligible for rewards and in addition, his group will be considered having a parson cleared (and have a reduced number of chests). He probably said it right but you mis-interpreted he and they won't be able to get any books or chest as this is technically right, he cannot receive pages or a chest and his group will only have 1 chest.

Thank you for the response, I find that system quite flawed to be fair, I wouldn't be saying anything if he would've cleared A5S with us but really he just came to sub A6S to practice with us.

In my opinion they should change the system a little bit.

In coil the ID was for saving progress. It saved watched cutscenes, trash and so on.

In Alexander Savage there is no saved progress beside the kill of the boss (even Faust kill not get saved).

In my opinion the system should be changed to saving an ID after the kill of the boss, not after entering the turn.

So people could help out practising without getting locked out from previous turns, as long the boss not get killed. When the boss get killed, the lockout should stay as it currently is.

It would also prevent ID transfer.