There is no Rechner in Israel. those people live in the US
There are plenty of Gevirim in Eretz Yisroel, but they will tell the Meshulach to get a job, and that the Gevir refuses to pay for his daughter’s apartment even if she can’t get married without it.
Or the Gevir has better things to spend money on. For example, the Rebbes of Belz and Gur are major landowners and extremely wealthy, but spend it on their Chassidus and save for the next generation, not the little guy.