Microsoft MVP Susan Bradley has written an open letter to top management at Microsoft about the quality of Windows 10 patches. She has also pointed to results of her survey of IT admins who are admittedly not very happy with shoddy patches and that the Windows Insider program isn't helping in identifying issues. Microsoft, however, thinks otherwise.
https://www.notebookcheck.net/Microsoft-in-denial-about-concerns-regarding-shoddy-Windows-10-patches.320860.0.html