Microsoft finally admits almost all major Windows 11 core features are broken

I've been using the Window's OS since the late 80s and early 90s.  I'm a software engineer with over 40 years experience.  This is the worst OS I have ever used.  It is unstable, badly manages resource allocation, disk usage is out of control, reboots randomly, it's crazy.  I have a machine with 64GB of RAM with a CORE i9 processor and still stutters and uses the disk for flashing.  What is wrong with the MS engineers???  I just don't understand why they got rid of Windows 10.  It was solid and worked.  I've been on WIn11 for about 2 years, it's a nightmare.  The most unstable piece of software I've ever used.  I've had to reinstall the OS twice to get my disk space back!!!