GadolHadorah: There are many opportunities for those seeking to transition in to the workforce.
R Yaakov Kamenetzky used to say that an out of town kollel is already a “halbe shtele”.
My understanding is, that out of town, since there isn’t usually a quarter of a million people vying for every position, one has more of a chance to shine and make a difference.
(Without the need to be the son of a major gvir.)
Still, since many of these yungeleit only come for the learning opportunity, many will choose to move back afterwards.