I don’t really see the problem with getting faster responses by contacting Apple’s security team directly for potential vulnerabilities when compared to the general-purpose bug tracker.
Usually big companies such as Discord give perks to the bug hunters who find bugs. Apparently Apple doesn't have that. There are probably people at Apple who won't admit that they have bugs, when every operating system has bugs, the code is too big to not create a single bug or exploit.
I have found 2 crashes in osX back in Yosemite. I have reported them with every release since.
I have no idea of they work on the arm Macs, but I will have the ability to check in a couple of days. Probably nothing exploitable, but still a hard crash.