Metric isn’t intuitive to you because you aren’t used to using it. Relevant xkcd.
Sure, feet might be intuitive, but that’s the exception. What’s an inch? Or a mile? Or a cup? Cups come in more sizes than feet do!
Read the xkcd comic. There are plenty of metric associations you can make in your mind, too.
Metric was designed by a bunch of rich French people
Metric came out of the French Revolution, which was caused by the underclasses rising up and overthrowing “a bunch of rich French people”. And then saying, “Hey, let’s try doing things rationally for a change. Like our systems of measurement.”
You missed the point of their comment. Those measurements make sense to you because you grew up with them. If you read the xkcd you can easily see how you can make up the same comparisons for metric