Sorry to hear. Hopefully a kernel engineer can help you soon... To answer your question: Because it's not "a lot of people". See the top of this page:
"This bug affects 1 person." -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863455 Title: USB system (mouse and keybord) are not working since kernel update to 5.3.0-26 and 5.3.0-28 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1863455/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs