Your mental health is important, I like how you've said your mind. You can block or keep deleting their comments. A lot of people don't understand boundaries!
Madam Janet, please don't mind them. These may be bitter people who's lives are bitter and they want someone's life to be like Thiers. M@d people everywhere 😂
I have done this course and its not as difficult as you are projecting it. If you are determined and can do your assignments or course work. Then you can do it.