Not me personally, but I went down the rabbit hole with this when I was researching a build, because some aluminum eMTB frames do crack-- and sometimes early in their lifecycle, sometimes right after purchase. As it turns out, at least on paper, aluminum frames are weaker than carbon fiber. Supposedly, they can also fail catastrophically as well as cracking, though if you go crazy like I did and run a bunch of searches on the subject, anecdotally and unscientifically, it does seem like CF is more likely to fail catastrophically. The metallurgy side of aluminum frames cracking is very hard to understand, and at the end of the day, people who know way better than me throw up their hands and say no one knows why some alloy frames crack, why one might fail out of a run of thousands.
But yes, sometimes bikes have design flaws-- and I don't know if it's the material or the design-- that will cause some of them to break early, and a reputable company will redesign at that point and replace the frames under warranty, and then do a full-on recall if a lot of them fail.
My only advice would be the obvious things you already thought of-- check online forums (specific to Ride1) and see it it's a common problem, and if it is, you have a better shot at getting them to honor a warranty claim. There's no harm in trying-- it really shouldn't fail that soon-- but if you're off warranty... yeah, not a good situation. So sorry that happened! Hope no one was injured.
I was really surprised to discover that alloy is less robust than I imagined.