I too came on this forum because I don't want it cluttering my workspace or interrupting me, Then I had a look myself. there was no co-pilot in the task bar, I may have removed it some time ago but it still comes up in documents, it is of no use to me in writing, it is too American and doesn't seem to understand slang speech in fiction.
I just discovered it can be uninstalled by left clicking the start button find it in the list of applications and right click it then left click uninstall.
I am hoping it doesn't come back.
Like most other users I find it irritating that Microsoft keep making their operating system more and more complicated and loading it with unwanted features. The sooner I can find an operating system that doesn't come with bloat I shall change to it,