I would not be married to my DH today under the OP’s requirements, as we would never have met. His mother did not like me, his father and stepmother did not like me. My father at that time did not like anybody with a college education, so my DH was on his “list”. I would probably be trapped in a marriage to a man I called “cousin” for most of my life. He was a nice guy then, was good looking as a young man (not that I was hard on the eyes). But he was so wrong in a lot of ways for me!
DH is a student of Japanese life. Younger, urban Japanese do not always have arranged marriages. And the arranged marriages of all Japanese are not necessarily happy, as Gearoidin pointed out. I know too many Italian arranged marriages also utilized the proverb of a good husband is healthy and absent. Wiodws might have worn black, but they were not necessarily unhappy for their Guidos or Guissepes, who had gone before them.
There is a way to assist couples in meeting each other within family groups without resorting to marriage brokerage. People used to give a series of parties for their marriage-aged children, known as a season. These parties were anywhere from simple barn dances and community taffy pulls, to elegant balls of debutantes. It would certainly be a little effort for a group of boomers to get together and form such a group, hosting game nights, group movie dates, dances, swim parties, days at a horse barn, community volunteer work. But the results might be well worth it, as these adult children placed together in circumstances that do not obligate them to the same level as dating.