“But there have never been more learners and Kollel men since the Bais HaMikdash.”
Part of the problem might be everyone is looking to make a shidduch with a “kollel man” and not a “learner”. We have a shortage of boys because they are not “kollel men” rather they are “learners” and have been relegated to the trash heap of the shidduch world, some people call them “the modern guys”. Yes, we created a problem, we have eliminated many eligible bachurim from the available shidduch pool simply because they go to college, hold a 9-5 job or think about doing so. Yes, it is wonderful for your husband to learn 3 full sedarim a day. It is also wonderful to have a husband altogether, and if he learns for 2 hours in the morning before he goes to work and learns another 2 at night, did you also not marry a ben torah? Invite these bachurim to the shidduch island as well. Every single older (older than 28) girl that I know of who has gotten married in the last 2 years has married someone who holds a job. Are they being accused of settling? Do they feel that they settled? Ask them, dont take my word for it.
I heard that one prominent yeshiva (I wont repeat the name because I heard it from several people I believe to be reliable, but did not verify it so do not know for certain it is true) sits down with bachurim who are 25 or so and ask them point blank, ok, now what, and many are encouraged to get their degrees and perhaps even go to work depending on the direction of the conversation.