Is it rude to ask about salary on a blind date?

I'm in my early 30s and I feel like it's about time to get married, so I got set up on a blind date 'cause I wanted to meet a guy with good specs. The matchmaker didn't mention things like salary when setting it up, so on the day of the date, I wrote down a bunch of questions necessary for marriage, like salary, how much money he's saved, if his parents' retirement is sorted, if his job allows parental leave, and how many kids he wants to raise, and I asked them. We parted ways nicely, but there was no after, so I asked the matchmaker. They actually scolded me, asking why I was grilling him about that stuff on the very first date. If a blind date is in your 30s, it's marriage-premise, so isn't it okay to ask those things? Objectively, who was wrong here?