Also, you’re aware, I’m sure, that supporting ???? in any form (including kollel) is an exception to ?? ????? ???? ?????.
News to me, what the source?
259:2 is dealing with Maalin B’Kodesh, which is a different (and external) issue to what gets Kadimah. Besides, the best thing to give in 249:16 (children learning Torah) (seemingly) would cover all bases.