There are not tens of thousands of people learning in Kollel in Lakewood
The Population of Lakewood is 100,000 people. Frum jews make up about 50-60% . So if we say 60% are frum jews. Half of them are women meaning 30,000 men and 30,000 women. Many of these are children and some people in Lakewood do work. so the real number of people in Kollel in Lakewood is closer to 10,000